40164542720

素因数分解:

$2^8\times 5^1\times {\mathrm{17}}^1\times {\mathrm{239}}^1\times {\mathrm{7723}}^1$

素因数の和:8000

約数の個数: 144

約数和(自身を含む): 102305306880

約数和(自身を除く): 62140764160

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 128, 136, 160, 170, 239, 256, 272, 320, 340, 478, 544, 640, 680, 956, 1088, 1195, 1280, 1360, 1912, 2176, 2390, 2720, 3824, 4063, 4352, 4780, 5440, 7648, 7723, 8126, 9560, 10880, 15296, 15446, 16252, 19120, 20315, 21760, 30592, 30892, 32504, 38240, 38615, 40630, 61184, 61784, 65008, 76480, 77230, 81260, 123568, 130016, 131291, 152960, 154460, 162520, 247136, 260032, 262582, 305920, 308920, 325040, 494272, 520064, 525164, 617840, 650080, 656455, 988544, 1040128, 1050328, 1235680, 1300160, 1312910, 1845797, 1977088, 2100656, 2471360, 2600320, 2625820, 3691594, 4201312, 4942720, 5200640, 5251640, 7383188, 8402624, 9228985, 9885440, 10503280, 14766376, 16805248, 18457970, 21006560, 29532752, 31378549, 33610496, 36915940, 42013120, 59065504, 62757098, 73831880, 84026240, 118131008, 125514196, 147663760, 156892745, 168052480, 236262016, 251028392, 295327520, 313785490, 472524032, 502056784, 590655040, 627570980, 1004113568, 1181310080, 1255141960, 2008227136, 2362620160, 2510283920, 4016454272, 5020567840, 8032908544, 10041135680, 20082271360, 40164542720]

約数ペア:

[(1, 40164542720), (2, 20082271360), (4, 10041135680), (5, 8032908544), (8, 5020567840), (10, 4016454272), (16, 2510283920), (17, 2362620160), (20, 2008227136), (32, 1255141960), (34, 1181310080), (40, 1004113568), (64, 627570980), (68, 590655040), (80, 502056784), (85, 472524032), (128, 313785490), (136, 295327520), (160, 251028392), (170, 236262016), (239, 168052480), (256, 156892745), (272, 147663760), (320, 125514196), (340, 118131008), (478, 84026240), (544, 73831880), (640, 62757098), (680, 59065504), (956, 42013120), (1088, 36915940), (1195, 33610496), (1280, 31378549), (1360, 29532752), (1912, 21006560), (2176, 18457970), (2390, 16805248), (2720, 14766376), (3824, 10503280), (4063, 9885440), (4352, 9228985), (4780, 8402624), (5440, 7383188), (7648, 5251640), (7723, 5200640), (8126, 4942720), (9560, 4201312), (10880, 3691594), (15296, 2625820), (15446, 2600320), (16252, 2471360), (19120, 2100656), (20315, 1977088), (21760, 1845797), (30592, 1312910), (30892, 1300160), (32504, 1235680), (38240, 1050328), (38615, 1040128), (40630, 988544), (61184, 656455), (61784, 650080), (65008, 617840), (76480, 525164), (77230, 520064), (81260, 494272), (123568, 325040), (130016, 308920), (131291, 305920), (152960, 262582), (154460, 260032), (162520, 247136)]