57122440

素因数分解:

$2^3\times 5^1\times {\mathrm{521}}^1\times {\mathrm{2741}}^1$

素因数の和:3273

約数の個数: 32

約数和(自身を含む): 128819160

約数和(自身を除く): 71696720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 521, 1042, 2084, 2605, 2741, 4168, 5210, 5482, 10420, 10964, 13705, 20840, 21928, 27410, 54820, 109640, 1428061, 2856122, 5712244, 7140305, 11424488, 14280610, 28561220, 57122440]

約数ペア:

[(1, 57122440), (2, 28561220), (4, 14280610), (5, 11424488), (8, 7140305), (10, 5712244), (20, 2856122), (40, 1428061), (521, 109640), (1042, 54820), (2084, 27410), (2605, 21928), (2741, 20840), (4168, 13705), (5210, 10964), (5482, 10420)]