7896320

素因数分解:

$2^8\times 5^1\times {\mathrm{31}}^1\times {\mathrm{199}}^1$

素因数の和:251

約数の個数: 72

約数和(自身を含む): 19622400

約数和(自身を除く): 11726080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 199, 248, 256, 310, 320, 398, 496, 620, 640, 796, 992, 995, 1240, 1280, 1592, 1984, 1990, 2480, 3184, 3968, 3980, 4960, 6169, 6368, 7936, 7960, 9920, 12338, 12736, 15920, 19840, 24676, 25472, 30845, 31840, 39680, 49352, 50944, 61690, 63680, 98704, 123380, 127360, 197408, 246760, 254720, 394816, 493520, 789632, 987040, 1579264, 1974080, 3948160, 7896320]

約数ペア:

[(1, 7896320), (2, 3948160), (4, 1974080), (5, 1579264), (8, 987040), (10, 789632), (16, 493520), (20, 394816), (31, 254720), (32, 246760), (40, 197408), (62, 127360), (64, 123380), (80, 98704), (124, 63680), (128, 61690), (155, 50944), (160, 49352), (199, 39680), (248, 31840), (256, 30845), (310, 25472), (320, 24676), (398, 19840), (496, 15920), (620, 12736), (640, 12338), (796, 9920), (992, 7960), (995, 7936), (1240, 6368), (1280, 6169), (1592, 4960), (1984, 3980), (1990, 3968), (2480, 3184)]