26407225

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{193}}^1\times {\mathrm{421}}^1$

素因数の和:637

約数の個数: 24

約数和(自身を含む): 35530712

約数和(自身を除く): 9123487

約数列:

[1, 5, 13, 25, 65, 193, 325, 421, 965, 2105, 2509, 4825, 5473, 10525, 12545, 27365, 62725, 81253, 136825, 406265, 1056289, 2031325, 5281445, 26407225]

約数ペア:

[(1, 26407225), (5, 5281445), (13, 2031325), (25, 1056289), (65, 406265), (193, 136825), (325, 81253), (421, 62725), (965, 27365), (2105, 12545), (2509, 10525), (4825, 5473)]