81480498725

素因数分解:

$5^2\times {\mathrm{277}}^1\times {\mathrm{563}}^1\times {\mathrm{20899}}^1$

素因数の和:21749

約数の個数: 24

約数和(自身を含む): 101585536800

約数和(自身を除く): 20105038075

約数列:

[1, 5, 25, 277, 563, 1385, 2815, 6925, 14075, 20899, 104495, 155951, 522475, 779755, 3898775, 5789023, 11766137, 28945115, 58830685, 144725575, 294153425, 3259219949, 16296099745, 81480498725]

約数ペア:

[(1, 81480498725), (5, 16296099745), (25, 3259219949), (277, 294153425), (563, 144725575), (1385, 58830685), (2815, 28945115), (6925, 11766137), (14075, 5789023), (20899, 3898775), (104495, 779755), (155951, 522475)]