85870975

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{293}}^1\times {\mathrm{617}}^1$

素因数の和:939

約数の個数: 24

約数和(自身を含む): 112649040

約数和(自身を除く): 26778065

約数列:

[1, 5, 19, 25, 95, 293, 475, 617, 1465, 3085, 5567, 7325, 11723, 15425, 27835, 58615, 139175, 180781, 293075, 903905, 3434839, 4519525, 17174195, 85870975]

約数ペア:

[(1, 85870975), (5, 17174195), (19, 4519525), (25, 3434839), (95, 903905), (293, 293075), (475, 180781), (617, 139175), (1465, 58615), (3085, 27835), (5567, 15425), (7325, 11723)]