12438125

素因数分解:

$5^4\times 7^1\times {\mathrm{2843}}^1$

素因数の和:2870

約数の個数: 20

約数和(自身を含む): 17769312

約数和(自身を除く): 5331187

約数列:

[1, 5, 7, 25, 35, 125, 175, 625, 875, 2843, 4375, 14215, 19901, 71075, 99505, 355375, 497525, 1776875, 2487625, 12438125]

約数ペア:

[(1, 12438125), (5, 2487625), (7, 1776875), (25, 497525), (35, 355375), (125, 99505), (175, 71075), (625, 19901), (875, 14215), (2843, 4375)]