51255620

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{197137}}^1$

素因数の和:197159

約数の個数: 24

約数和(自身を含む): 115917144

約数和(自身を除く): 64661524

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 197137, 394274, 788548, 985685, 1971370, 2562781, 3942740, 5125562, 10251124, 12813905, 25627810, 51255620]

約数ペア:

[(1, 51255620), (2, 25627810), (4, 12813905), (5, 10251124), (10, 5125562), (13, 3942740), (20, 2562781), (26, 1971370), (52, 985685), (65, 788548), (130, 394274), (260, 197137)]