505532080

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{223}}^1\times {\mathrm{659}}^1$

素因数の和:938

約数の個数: 80

約数和(自身を含む): 1209922560

約数和(自身を除く): 704390480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 223, 344, 430, 446, 659, 688, 860, 892, 1115, 1318, 1720, 1784, 2230, 2636, 3295, 3440, 3568, 4460, 5272, 6590, 8920, 9589, 10544, 13180, 17840, 19178, 26360, 28337, 38356, 47945, 52720, 56674, 76712, 95890, 113348, 141685, 146957, 153424, 191780, 226696, 283370, 293914, 383560, 453392, 566740, 587828, 734785, 767120, 1133480, 1175656, 1469570, 2266960, 2351312, 2939140, 5878280, 6319151, 11756560, 12638302, 25276604, 31595755, 50553208, 63191510, 101106416, 126383020, 252766040, 505532080]

約数ペア:

[(1, 505532080), (2, 252766040), (4, 126383020), (5, 101106416), (8, 63191510), (10, 50553208), (16, 31595755), (20, 25276604), (40, 12638302), (43, 11756560), (80, 6319151), (86, 5878280), (172, 2939140), (215, 2351312), (223, 2266960), (344, 1469570), (430, 1175656), (446, 1133480), (659, 767120), (688, 734785), (860, 587828), (892, 566740), (1115, 453392), (1318, 383560), (1720, 293914), (1784, 283370), (2230, 226696), (2636, 191780), (3295, 153424), (3440, 146957), (3568, 141685), (4460, 113348), (5272, 95890), (6590, 76712), (8920, 56674), (9589, 52720), (10544, 47945), (13180, 38356), (17840, 28337), (19178, 26360)]