90569825

素因数分解:

$5^2\times {\mathrm{43}}^1\times {\mathrm{173}}^1\times {\mathrm{487}}^1$

素因数の和:713

約数の個数: 24

約数和(自身を含む): 115819968

約数和(自身を除く): 25250143

約数列:

[1, 5, 25, 43, 173, 215, 487, 865, 1075, 2435, 4325, 7439, 12175, 20941, 37195, 84251, 104705, 185975, 421255, 523525, 2106275, 3622793, 18113965, 90569825]

約数ペア:

[(1, 90569825), (5, 18113965), (25, 3622793), (43, 2106275), (173, 523525), (215, 421255), (487, 185975), (865, 104705), (1075, 84251), (2435, 37195), (4325, 20941), (7439, 12175)]