31230340

素因数分解:

$2^2\times 5^1\times {\mathrm{281}}^1\times {\mathrm{5557}}^1$

素因数の和:5847

約数の個数: 24

約数和(自身を含む): 65828952

約数和(自身を除く): 34598612

約数列:

[1, 2, 4, 5, 10, 20, 281, 562, 1124, 1405, 2810, 5557, 5620, 11114, 22228, 27785, 55570, 111140, 1561517, 3123034, 6246068, 7807585, 15615170, 31230340]

約数ペア:

[(1, 31230340), (2, 15615170), (4, 7807585), (5, 6246068), (10, 3123034), (20, 1561517), (281, 111140), (562, 55570), (1124, 27785), (1405, 22228), (2810, 11114), (5557, 5620)]