129521360

素因数分解:

$2^4\times 5^1\times {\mathrm{107}}^1\times {\mathrm{15131}}^1$

素因数の和:15251

約数の個数: 40

約数和(自身を含む): 303971616

約数和(自身を除く): 174450256

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 107, 214, 428, 535, 856, 1070, 1712, 2140, 4280, 8560, 15131, 30262, 60524, 75655, 121048, 151310, 242096, 302620, 605240, 1210480, 1619017, 3238034, 6476068, 8095085, 12952136, 16190170, 25904272, 32380340, 64760680, 129521360]

約数ペア:

[(1, 129521360), (2, 64760680), (4, 32380340), (5, 25904272), (8, 16190170), (10, 12952136), (16, 8095085), (20, 6476068), (40, 3238034), (80, 1619017), (107, 1210480), (214, 605240), (428, 302620), (535, 242096), (856, 151310), (1070, 121048), (1712, 75655), (2140, 60524), (4280, 30262), (8560, 15131)]