201090025

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{15263}}^1$

素因数の和:15321

約数の個数: 24

約数和(自身を含む): 272553984

約数和(自身を除く): 71463959

約数列:

[1, 5, 17, 25, 31, 85, 155, 425, 527, 775, 2635, 13175, 15263, 76315, 259471, 381575, 473153, 1297355, 2365765, 6486775, 8043601, 11828825, 40218005, 201090025]

約数ペア:

[(1, 201090025), (5, 40218005), (17, 11828825), (25, 8043601), (31, 6486775), (85, 2365765), (155, 1297355), (425, 473153), (527, 381575), (775, 259471), (2635, 76315), (13175, 15263)]