25662920960

素因数分解:

$2^8\times 5^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1\times {\mathrm{4937}}^1$

素因数の和:5120

約数の個数: 144

約数和(自身を含む): 63950971392

約数和(自身を除く): 38288050432

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 131, 155, 160, 248, 256, 262, 310, 320, 496, 524, 620, 640, 655, 992, 1048, 1240, 1280, 1310, 1984, 2096, 2480, 2620, 3968, 4061, 4192, 4937, 4960, 5240, 7936, 8122, 8384, 9874, 9920, 10480, 16244, 16768, 19748, 19840, 20305, 20960, 24685, 32488, 33536, 39496, 39680, 40610, 41920, 49370, 64976, 78992, 81220, 83840, 98740, 129952, 153047, 157984, 162440, 167680, 197480, 259904, 306094, 315968, 324880, 394960, 519808, 612188, 631936, 646747, 649760, 765235, 789920, 1039616, 1224376, 1263872, 1293494, 1299520, 1530470, 1579840, 2448752, 2586988, 2599040, 3060940, 3159680, 3233735, 4897504, 5173976, 5198080, 6121880, 6319360, 6467470, 9795008, 10347952, 12243760, 12934940, 19590016, 20049157, 20695904, 24487520, 25869880, 39180032, 40098314, 41391808, 48975040, 51739760, 80196628, 82783616, 97950080, 100245785, 103479520, 160393256, 165567232, 195900160, 200491570, 206959040, 320786512, 400983140, 413918080, 641573024, 801966280, 827836160, 1283146048, 1603932560, 2566292096, 3207865120, 5132584192, 6415730240, 12831460480, 25662920960]

約数ペア:

[(1, 25662920960), (2, 12831460480), (4, 6415730240), (5, 5132584192), (8, 3207865120), (10, 2566292096), (16, 1603932560), (20, 1283146048), (31, 827836160), (32, 801966280), (40, 641573024), (62, 413918080), (64, 400983140), (80, 320786512), (124, 206959040), (128, 200491570), (131, 195900160), (155, 165567232), (160, 160393256), (248, 103479520), (256, 100245785), (262, 97950080), (310, 82783616), (320, 80196628), (496, 51739760), (524, 48975040), (620, 41391808), (640, 40098314), (655, 39180032), (992, 25869880), (1048, 24487520), (1240, 20695904), (1280, 20049157), (1310, 19590016), (1984, 12934940), (2096, 12243760), (2480, 10347952), (2620, 9795008), (3968, 6467470), (4061, 6319360), (4192, 6121880), (4937, 5198080), (4960, 5173976), (5240, 4897504), (7936, 3233735), (8122, 3159680), (8384, 3060940), (9874, 2599040), (9920, 2586988), (10480, 2448752), (16244, 1579840), (16768, 1530470), (19748, 1299520), (19840, 1293494), (20305, 1263872), (20960, 1224376), (24685, 1039616), (32488, 789920), (33536, 765235), (39496, 649760), (39680, 646747), (40610, 631936), (41920, 612188), (49370, 519808), (64976, 394960), (78992, 324880), (81220, 315968), (83840, 306094), (98740, 259904), (129952, 197480), (153047, 167680), (157984, 162440)]