25798825

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{487}}^1$

素因数の和:673

約数の個数: 24

約数和(自身を含む): 34733888

約数和(自身を除く): 8935063

約数列:

[1, 5, 13, 25, 65, 163, 325, 487, 815, 2119, 2435, 4075, 6331, 10595, 12175, 31655, 52975, 79381, 158275, 396905, 1031953, 1984525, 5159765, 25798825]

約数ペア:

[(1, 25798825), (5, 5159765), (13, 1984525), (25, 1031953), (65, 396905), (163, 158275), (325, 79381), (487, 52975), (815, 31655), (2119, 12175), (2435, 10595), (4075, 6331)]