2015170025

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{419}}^1\times {\mathrm{17489}}^1$

素因数の和:17929

約数の個数: 24

約数和(自身を含む): 2732637600

約数和(自身を除く): 717467575

約数列:

[1, 5, 11, 25, 55, 275, 419, 2095, 4609, 10475, 17489, 23045, 87445, 115225, 192379, 437225, 961895, 4809475, 7327891, 36639455, 80606801, 183197275, 403034005, 2015170025]

約数ペア:

[(1, 2015170025), (5, 403034005), (11, 183197275), (25, 80606801), (55, 36639455), (275, 7327891), (419, 4809475), (2095, 961895), (4609, 437225), (10475, 192379), (17489, 115225), (23045, 87445)]