30960260

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{21803}}^1$

素因数の和:21883

約数の個数: 24

約数和(自身を含む): 65935296

約数和(自身を除く): 34975036

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 21803, 43606, 87212, 109015, 218030, 436060, 1548013, 3096026, 6192052, 7740065, 15480130, 30960260]

約数ペア:

[(1, 30960260), (2, 15480130), (4, 7740065), (5, 6192052), (10, 3096026), (20, 1548013), (71, 436060), (142, 218030), (284, 109015), (355, 87212), (710, 43606), (1420, 21803)]