80004725

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{3917}}^1$

素因数の和:3989

約数の個数: 24

約数和(自身を含む): 106883040

約数和(自身を除く): 26878315

約数列:

[1, 5, 19, 25, 43, 95, 215, 475, 817, 1075, 3917, 4085, 19585, 20425, 74423, 97925, 168431, 372115, 842155, 1860575, 3200189, 4210775, 16000945, 80004725]

約数ペア:

[(1, 80004725), (5, 16000945), (19, 4210775), (25, 3200189), (43, 1860575), (95, 842155), (215, 372115), (475, 168431), (817, 97925), (1075, 74423), (3917, 20425), (4085, 19585)]