99888980

素因数分解:

$2^2\times 5^1\times {\mathrm{1181}}^1\times {\mathrm{4229}}^1$

素因数の和:5419

約数の個数: 24

約数和(自身を含む): 209994120

約数和(自身を除く): 110105140

約数列:

[1, 2, 4, 5, 10, 20, 1181, 2362, 4229, 4724, 5905, 8458, 11810, 16916, 21145, 23620, 42290, 84580, 4994449, 9988898, 19977796, 24972245, 49944490, 99888980]

約数ペア:

[(1, 99888980), (2, 49944490), (4, 24972245), (5, 19977796), (10, 9988898), (20, 4994449), (1181, 84580), (2362, 42290), (4229, 23620), (4724, 21145), (5905, 16916), (8458, 11810)]