30557620

素因数分解:

$2^2\times 5^1\times {\mathrm{821}}^1\times {\mathrm{1861}}^1$

素因数の和:2691

約数の個数: 24

約数和(自身を含む): 64283688

約数和(自身を除く): 33726068

約数列:

[1, 2, 4, 5, 10, 20, 821, 1642, 1861, 3284, 3722, 4105, 7444, 8210, 9305, 16420, 18610, 37220, 1527881, 3055762, 6111524, 7639405, 15278810, 30557620]

約数ペア:

[(1, 30557620), (2, 15278810), (4, 7639405), (5, 6111524), (10, 3055762), (20, 1527881), (821, 37220), (1642, 18610), (1861, 16420), (3284, 9305), (3722, 8210), (4105, 7444)]