25087820

素因数分解:

$2^2\times 5^1\times {\mathrm{1117}}^1\times {\mathrm{1123}}^1$

素因数の和:2249

約数の個数: 24

約数和(自身を含む): 52778544

約数和(自身を除く): 27690724

約数列:

[1, 2, 4, 5, 10, 20, 1117, 1123, 2234, 2246, 4468, 4492, 5585, 5615, 11170, 11230, 22340, 22460, 1254391, 2508782, 5017564, 6271955, 12543910, 25087820]

約数ペア:

[(1, 25087820), (2, 12543910), (4, 6271955), (5, 5017564), (10, 2508782), (20, 1254391), (1117, 22460), (1123, 22340), (2234, 11230), (2246, 11170), (4468, 5615), (4492, 5585)]