200688020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{771877}}^1$

素因数の和:771899

約数の個数: 24

約数和(自身を含む): 453864264

約数和(自身を除く): 253176244

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 771877, 1543754, 3087508, 3859385, 7718770, 10034401, 15437540, 20068802, 40137604, 50172005, 100344010, 200688020]

約数ペア:

[(1, 200688020), (2, 100344010), (4, 50172005), (5, 40137604), (10, 20068802), (13, 15437540), (20, 10034401), (26, 7718770), (52, 3859385), (65, 3087508), (130, 1543754), (260, 771877)]