28637620

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{130171}}^1$

素因数の和:130191

約数の個数: 24

約数和(自身を含む): 65606688

約数和(自身を除く): 36969068

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 130171, 260342, 520684, 650855, 1301710, 1431881, 2603420, 2863762, 5727524, 7159405, 14318810, 28637620]

約数ペア:

[(1, 28637620), (2, 14318810), (4, 7159405), (5, 5727524), (10, 2863762), (11, 2603420), (20, 1431881), (22, 1301710), (44, 650855), (55, 520684), (110, 260342), (220, 130171)]