520029725

素因数分解:

$5^2\times {\mathrm{421}}^1\times {\mathrm{49409}}^1$

素因数の和:49840

約数の個数: 12

約数和(自身を含む): 646381620

約数和(自身を除く): 126351895

約数列:

[1, 5, 25, 421, 2105, 10525, 49409, 247045, 1235225, 20801189, 104005945, 520029725]

約数ペア:

[(1, 520029725), (5, 104005945), (25, 20801189), (421, 1235225), (2105, 247045), (10525, 49409)]