25317820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{733}}^1$

素因数の和:910

約数の個数: 48

約数和(自身を含む): 58449888

約数和(自身を除く): 33132068

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 157, 220, 314, 628, 733, 785, 1466, 1570, 1727, 2932, 3140, 3454, 3665, 6908, 7330, 8063, 8635, 14660, 16126, 17270, 32252, 34540, 40315, 80630, 115081, 161260, 230162, 460324, 575405, 1150810, 1265891, 2301620, 2531782, 5063564, 6329455, 12658910, 25317820]

約数ペア:

[(1, 25317820), (2, 12658910), (4, 6329455), (5, 5063564), (10, 2531782), (11, 2301620), (20, 1265891), (22, 1150810), (44, 575405), (55, 460324), (110, 230162), (157, 161260), (220, 115081), (314, 80630), (628, 40315), (733, 34540), (785, 32252), (1466, 17270), (1570, 16126), (1727, 14660), (2932, 8635), (3140, 8063), (3454, 7330), (3665, 6908)]