865580

素因数分解:

$2^2\times 5^1\times {\mathrm{113}}^1\times {\mathrm{383}}^1$

素因数の和:505

約数の個数: 24

約数和(自身を含む): 1838592

約数和(自身を除く): 973012

約数列:

[1, 2, 4, 5, 10, 20, 113, 226, 383, 452, 565, 766, 1130, 1532, 1915, 2260, 3830, 7660, 43279, 86558, 173116, 216395, 432790, 865580]

約数ペア:

[(1, 865580), (2, 432790), (4, 216395), (5, 173116), (10, 86558), (20, 43279), (113, 7660), (226, 3830), (383, 2260), (452, 1915), (565, 1532), (766, 1130)]