68087890

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{30809}}^1$

素因数の和:30846

約数の個数: 32

約数和(自身を含む): 139754160

約数和(自身を除く): 71666270

約数列:

[1, 2, 5, 10, 13, 17, 26, 34, 65, 85, 130, 170, 221, 442, 1105, 2210, 30809, 61618, 154045, 308090, 400517, 523753, 801034, 1047506, 2002585, 2618765, 4005170, 5237530, 6808789, 13617578, 34043945, 68087890]

約数ペア:

[(1, 68087890), (2, 34043945), (5, 13617578), (10, 6808789), (13, 5237530), (17, 4005170), (26, 2618765), (34, 2002585), (65, 1047506), (85, 801034), (130, 523753), (170, 400517), (221, 308090), (442, 154045), (1105, 61618), (2210, 30809)]