125515640

素因数分解:

$2^3\times 5^1\times {\mathrm{419}}^1\times {\mathrm{7489}}^1$

素因数の和:7919

約数の個数: 32

約数和(自身を含む): 283122000

約数和(自身を除く): 157606360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 419, 838, 1676, 2095, 3352, 4190, 7489, 8380, 14978, 16760, 29956, 37445, 59912, 74890, 149780, 299560, 3137891, 6275782, 12551564, 15689455, 25103128, 31378910, 62757820, 125515640]

約数ペア:

[(1, 125515640), (2, 62757820), (4, 31378910), (5, 25103128), (8, 15689455), (10, 12551564), (20, 6275782), (40, 3137891), (419, 299560), (838, 149780), (1676, 74890), (2095, 59912), (3352, 37445), (4190, 29956), (7489, 16760), (8380, 14978)]