28305393140

素因数分解:

$2^2\times 5^1\times {\mathrm{1415269657}}^1$

素因数の和:1415269666

約数の個数: 12

約数和(自身を含む): 59441325636

約数和(自身を除く): 31135932496

約数列:

[1, 2, 4, 5, 10, 20, 1415269657, 2830539314, 5661078628, 7076348285, 14152696570, 28305393140]

約数ペア:

[(1, 28305393140), (2, 14152696570), (4, 7076348285), (5, 5661078628), (10, 2830539314), (20, 1415269657)]