201640825

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{24971}}^1$

素因数の和:25017

約数の個数: 24

約数和(自身を含む): 278687520

約数和(自身を除く): 77046695

約数列:

[1, 5, 17, 19, 25, 85, 95, 323, 425, 475, 1615, 8075, 24971, 124855, 424507, 474449, 624275, 2122535, 2372245, 8065633, 10612675, 11861225, 40328165, 201640825]

約数ペア:

[(1, 201640825), (5, 40328165), (17, 11861225), (19, 10612675), (25, 8065633), (85, 2372245), (95, 2122535), (323, 624275), (425, 474449), (475, 424507), (1615, 124855), (8075, 24971)]