697580

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2683}}^1$

素因数の和:2705

約数の個数: 24

約数和(自身を含む): 1578192

約数和(自身を除く): 880612

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 2683, 5366, 10732, 13415, 26830, 34879, 53660, 69758, 139516, 174395, 348790, 697580]

約数ペア:

[(1, 697580), (2, 348790), (4, 174395), (5, 139516), (10, 69758), (13, 53660), (20, 34879), (26, 26830), (52, 13415), (65, 10732), (130, 5366), (260, 2683)]