57122840

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{571}}^1$

素因数の和:684

約数の個数: 64

約数和(自身を含む): 134053920

約数和(自身を除く): 76931080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 61, 82, 122, 164, 205, 244, 305, 328, 410, 488, 571, 610, 820, 1142, 1220, 1640, 2284, 2440, 2501, 2855, 4568, 5002, 5710, 10004, 11420, 12505, 20008, 22840, 23411, 25010, 34831, 46822, 50020, 69662, 93644, 100040, 117055, 139324, 174155, 187288, 234110, 278648, 348310, 468220, 696620, 936440, 1393240, 1428071, 2856142, 5712284, 7140355, 11424568, 14280710, 28561420, 57122840]

約数ペア:

[(1, 57122840), (2, 28561420), (4, 14280710), (5, 11424568), (8, 7140355), (10, 5712284), (20, 2856142), (40, 1428071), (41, 1393240), (61, 936440), (82, 696620), (122, 468220), (164, 348310), (205, 278648), (244, 234110), (305, 187288), (328, 174155), (410, 139324), (488, 117055), (571, 100040), (610, 93644), (820, 69662), (1142, 50020), (1220, 46822), (1640, 34831), (2284, 25010), (2440, 23411), (2501, 22840), (2855, 20008), (4568, 12505), (5002, 11420), (5710, 10004)]