56291420

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{9739}}^1$

素因数の和:9782

約数の個数: 36

約数和(自身を含む): 125587560

約数和(自身を除く): 69296140

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 289, 340, 578, 1156, 1445, 2890, 5780, 9739, 19478, 38956, 48695, 97390, 165563, 194780, 331126, 662252, 827815, 1655630, 2814571, 3311260, 5629142, 11258284, 14072855, 28145710, 56291420]

約数ペア:

[(1, 56291420), (2, 28145710), (4, 14072855), (5, 11258284), (10, 5629142), (17, 3311260), (20, 2814571), (34, 1655630), (68, 827815), (85, 662252), (170, 331126), (289, 194780), (340, 165563), (578, 97390), (1156, 48695), (1445, 38956), (2890, 19478), (5780, 9739)]