25705264

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{123583}}^1$

素因数の和:123604

約数の個数: 20

約数和(自身を含む): 53635456

約数和(自身を除く): 27930192

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 123583, 247166, 494332, 988664, 1606579, 1977328, 3213158, 6426316, 12852632, 25705264]

約数ペア:

[(1, 25705264), (2, 12852632), (4, 6426316), (8, 3213158), (13, 1977328), (16, 1606579), (26, 988664), (52, 494332), (104, 247166), (208, 123583)]