13280525

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{383}}^1$

素因数の和:485

約数の個数: 24

約数和(自身を含む): 17617920

約数和(自身を除く): 4337395

約数列:

[1, 5, 19, 25, 73, 95, 365, 383, 475, 1387, 1825, 1915, 6935, 7277, 9575, 27959, 34675, 36385, 139795, 181925, 531221, 698975, 2656105, 13280525]

約数ペア:

[(1, 13280525), (5, 2656105), (19, 698975), (25, 531221), (73, 181925), (95, 139795), (365, 36385), (383, 34675), (475, 27959), (1387, 9575), (1825, 7277), (1915, 6935)]