25900580

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^3$

素因数の和:336

約数の個数: 24

約数和(自身を含む): 54894840

約数和(自身を除く): 28994260

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 436, 545, 1090, 2180, 11881, 23762, 47524, 59405, 118810, 237620, 1295029, 2590058, 5180116, 6475145, 12950290, 25900580]

約数ペア:

[(1, 25900580), (2, 12950290), (4, 6475145), (5, 5180116), (10, 2590058), (20, 1295029), (109, 237620), (218, 118810), (436, 59405), (545, 47524), (1090, 23762), (2180, 11881)]