8139575

素因数分解:

$5^2\times {\mathrm{29}}^1\times {\mathrm{103}}^1\times {\mathrm{109}}^1$

素因数の和:251

約数の個数: 24

約数和(自身を含む): 10639200

約数和(自身を除く): 2499625

約数列:

[1, 5, 25, 29, 103, 109, 145, 515, 545, 725, 2575, 2725, 2987, 3161, 11227, 14935, 15805, 56135, 74675, 79025, 280675, 325583, 1627915, 8139575]

約数ペア:

[(1, 8139575), (5, 1627915), (25, 325583), (29, 280675), (103, 79025), (109, 74675), (145, 56135), (515, 15805), (545, 14935), (725, 11227), (2575, 3161), (2725, 2987)]