20110910

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{181}}^1\times {\mathrm{271}}^1$

素因数の和:500

約数の個数: 32

約数和(自身を含む): 37425024

約数和(自身を除く): 17314114

約数列:

[1, 2, 5, 10, 41, 82, 181, 205, 271, 362, 410, 542, 905, 1355, 1810, 2710, 7421, 11111, 14842, 22222, 37105, 49051, 55555, 74210, 98102, 111110, 245255, 490510, 2011091, 4022182, 10055455, 20110910]

約数ペア:

[(1, 20110910), (2, 10055455), (5, 4022182), (10, 2011091), (41, 490510), (82, 245255), (181, 111110), (205, 98102), (271, 74210), (362, 55555), (410, 49051), (542, 37105), (905, 22222), (1355, 14842), (1810, 11111), (2710, 7421)]