8004025

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{509}}^1$

素因数の和:573

約数の個数: 24

約数和(自身を含む): 10814040

約数和(自身を除く): 2810015

約数列:

[1, 5, 17, 25, 37, 85, 185, 425, 509, 629, 925, 2545, 3145, 8653, 12725, 15725, 18833, 43265, 94165, 216325, 320161, 470825, 1600805, 8004025]

約数ペア:

[(1, 8004025), (5, 1600805), (17, 470825), (25, 320161), (37, 216325), (85, 94165), (185, 43265), (425, 18833), (509, 15725), (629, 12725), (925, 8653), (2545, 3145)]