25298405

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{563}}^1$

素因数の和:641

約数の個数: 32

約数和(自身を含む): 35735040

約数和(自身を除く): 10436635

約数列:

[1, 5, 11, 19, 43, 55, 95, 209, 215, 473, 563, 817, 1045, 2365, 2815, 4085, 6193, 8987, 10697, 24209, 30965, 44935, 53485, 117667, 121045, 266299, 459971, 588335, 1331495, 2299855, 5059681, 25298405]

約数ペア:

[(1, 25298405), (5, 5059681), (11, 2299855), (19, 1331495), (43, 588335), (55, 459971), (95, 266299), (209, 121045), (215, 117667), (473, 53485), (563, 44935), (817, 30965), (1045, 24209), (2365, 10697), (2815, 8987), (4085, 6193)]