74628040

素因数分解:

$2^3\times 5^1\times {\mathrm{521}}^1\times {\mathrm{3581}}^1$

素因数の和:4113

約数の個数: 32

約数和(自身を含む): 168282360

約数和(自身を除く): 93654320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 521, 1042, 2084, 2605, 3581, 4168, 5210, 7162, 10420, 14324, 17905, 20840, 28648, 35810, 71620, 143240, 1865701, 3731402, 7462804, 9328505, 14925608, 18657010, 37314020, 74628040]

約数ペア:

[(1, 74628040), (2, 37314020), (4, 18657010), (5, 14925608), (8, 9328505), (10, 7462804), (20, 3731402), (40, 1865701), (521, 143240), (1042, 71620), (2084, 35810), (2605, 28648), (3581, 20840), (4168, 17905), (5210, 14324), (7162, 10420)]