72575620

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{279137}}^1$

素因数の和:279159

約数の個数: 24

約数和(自身を含む): 164133144

約数和(自身を除く): 91557524

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 279137, 558274, 1116548, 1395685, 2791370, 3628781, 5582740, 7257562, 14515124, 18143905, 36287810, 72575620]

約数ペア:

[(1, 72575620), (2, 36287810), (4, 18143905), (5, 14515124), (10, 7257562), (13, 5582740), (20, 3628781), (26, 2791370), (52, 1395685), (65, 1116548), (130, 558274), (260, 279137)]