64760680

素因数分解:

$2^3\times 5^1\times {\mathrm{107}}^1\times {\mathrm{15131}}^1$

素因数の和:15249

約数の個数: 32

約数和(自身を含む): 147083040

約数和(自身を除く): 82322360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 107, 214, 428, 535, 856, 1070, 2140, 4280, 15131, 30262, 60524, 75655, 121048, 151310, 302620, 605240, 1619017, 3238034, 6476068, 8095085, 12952136, 16190170, 32380340, 64760680]

約数ペア:

[(1, 64760680), (2, 32380340), (4, 16190170), (5, 12952136), (8, 8095085), (10, 6476068), (20, 3238034), (40, 1619017), (107, 605240), (214, 302620), (428, 151310), (535, 121048), (856, 75655), (1070, 60524), (2140, 30262), (4280, 15131)]