31310030

素因数分解:

$2^1\times 5^1\times {\mathrm{1571}}^1\times {\mathrm{1993}}^1$

素因数の和:3571

約数の個数: 16

約数和(自身を含む): 56422224

約数和(自身を除く): 25112194

約数列:

[1, 2, 5, 10, 1571, 1993, 3142, 3986, 7855, 9965, 15710, 19930, 3131003, 6262006, 15655015, 31310030]

約数ペア:

[(1, 31310030), (2, 15655015), (5, 6262006), (10, 3131003), (1571, 19930), (1993, 15710), (3142, 9965), (3986, 7855)]