40768422400

素因数分解:

$2^9\times 5^2\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{809}}^1$

素因数の和:995

約数の個数: 240

約数和(自身を含む): 105216122880

約数和(自身を除く): 64447700480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 32, 40, 50, 62, 64, 80, 100, 124, 127, 128, 155, 160, 200, 248, 254, 256, 310, 320, 400, 496, 508, 512, 620, 635, 640, 775, 800, 809, 992, 1016, 1240, 1270, 1280, 1550, 1600, 1618, 1984, 2032, 2480, 2540, 2560, 3100, 3175, 3200, 3236, 3937, 3968, 4045, 4064, 4960, 5080, 6200, 6350, 6400, 6472, 7874, 7936, 8090, 8128, 9920, 10160, 12400, 12700, 12800, 12944, 15748, 15872, 16180, 16256, 19685, 19840, 20225, 20320, 24800, 25079, 25400, 25888, 31496, 32360, 32512, 39370, 39680, 40450, 40640, 49600, 50158, 50800, 51776, 62992, 64720, 65024, 78740, 79360, 80900, 81280, 98425, 99200, 100316, 101600, 102743, 103552, 125395, 125984, 129440, 157480, 161800, 162560, 196850, 198400, 200632, 203200, 205486, 207104, 250790, 251968, 258880, 314960, 323600, 325120, 393700, 396800, 401264, 406400, 410972, 414208, 501580, 503936, 513715, 517760, 626975, 629920, 647200, 787400, 802528, 812800, 821944, 1003160, 1007872, 1027430, 1035520, 1253950, 1259840, 1294400, 1574800, 1605056, 1625600, 1643888, 2006320, 2015744, 2054860, 2071040, 2507900, 2519680, 2568575, 2588800, 3149600, 3185033, 3210112, 3287776, 4012640, 4109720, 5015800, 5039360, 5137150, 5177600, 6299200, 6370066, 6420224, 6575552, 8025280, 8219440, 10031600, 10078720, 10274300, 10355200, 12598400, 12740132, 12840448, 13151104, 15925165, 16050560, 16438880, 20063200, 20548600, 25196800, 25480264, 26302208, 31850330, 32101120, 32877760, 40126400, 41097200, 50393600, 50960528, 52604416, 63700660, 64202240, 65755520, 79625825, 80252800, 82194400, 101921056, 127401320, 131511040, 159251650, 160505600, 164388800, 203842112, 254802640, 263022080, 318503300, 321011200, 328777600, 407684224, 509605280, 637006600, 657555200, 815368448, 1019210560, 1274013200, 1315110400, 1630736896, 2038421120, 2548026400, 4076842240, 5096052800, 8153684480, 10192105600, 20384211200, 40768422400]

約数ペア:

[(1, 40768422400), (2, 20384211200), (4, 10192105600), (5, 8153684480), (8, 5096052800), (10, 4076842240), (16, 2548026400), (20, 2038421120), (25, 1630736896), (31, 1315110400), (32, 1274013200), (40, 1019210560), (50, 815368448), (62, 657555200), (64, 637006600), (80, 509605280), (100, 407684224), (124, 328777600), (127, 321011200), (128, 318503300), (155, 263022080), (160, 254802640), (200, 203842112), (248, 164388800), (254, 160505600), (256, 159251650), (310, 131511040), (320, 127401320), (400, 101921056), (496, 82194400), (508, 80252800), (512, 79625825), (620, 65755520), (635, 64202240), (640, 63700660), (775, 52604416), (800, 50960528), (809, 50393600), (992, 41097200), (1016, 40126400), (1240, 32877760), (1270, 32101120), (1280, 31850330), (1550, 26302208), (1600, 25480264), (1618, 25196800), (1984, 20548600), (2032, 20063200), (2480, 16438880), (2540, 16050560), (2560, 15925165), (3100, 13151104), (3175, 12840448), (3200, 12740132), (3236, 12598400), (3937, 10355200), (3968, 10274300), (4045, 10078720), (4064, 10031600), (4960, 8219440), (5080, 8025280), (6200, 6575552), (6350, 6420224), (6400, 6370066), (6472, 6299200), (7874, 5177600), (7936, 5137150), (8090, 5039360), (8128, 5015800), (9920, 4109720), (10160, 4012640), (12400, 3287776), (12700, 3210112), (12800, 3185033), (12944, 3149600), (15748, 2588800), (15872, 2568575), (16180, 2519680), (16256, 2507900), (19685, 2071040), (19840, 2054860), (20225, 2015744), (20320, 2006320), (24800, 1643888), (25079, 1625600), (25400, 1605056), (25888, 1574800), (31496, 1294400), (32360, 1259840), (32512, 1253950), (39370, 1035520), (39680, 1027430), (40450, 1007872), (40640, 1003160), (49600, 821944), (50158, 812800), (50800, 802528), (51776, 787400), (62992, 647200), (64720, 629920), (65024, 626975), (78740, 517760), (79360, 513715), (80900, 503936), (81280, 501580), (98425, 414208), (99200, 410972), (100316, 406400), (101600, 401264), (102743, 396800), (103552, 393700), (125395, 325120), (125984, 323600), (129440, 314960), (157480, 258880), (161800, 251968), (162560, 250790), (196850, 207104), (198400, 205486), (200632, 203200)]