90262940

素因数分解:

$2^2\times 5^1\times {\mathrm{313}}^1\times {\mathrm{14419}}^1$

素因数の和:14741

約数の個数: 24

約数和(自身を含む): 190170960

約数和(自身を除く): 99908020

約数列:

[1, 2, 4, 5, 10, 20, 313, 626, 1252, 1565, 3130, 6260, 14419, 28838, 57676, 72095, 144190, 288380, 4513147, 9026294, 18052588, 22565735, 45131470, 90262940]

約数ペア:

[(1, 90262940), (2, 45131470), (4, 22565735), (5, 18052588), (10, 9026294), (20, 4513147), (313, 288380), (626, 144190), (1252, 72095), (1565, 57676), (3130, 28838), (6260, 14419)]