80821865

素因数分解:

$5^1\times {\mathrm{41}}^1\times {\mathrm{109}}^1\times {\mathrm{3617}}^1$

素因数の和:3772

約数の個数: 16

約数和(自身を含む): 100290960

約数和(自身を除く): 19469095

約数列:

[1, 5, 41, 109, 205, 545, 3617, 4469, 18085, 22345, 148297, 394253, 741485, 1971265, 16164373, 80821865]

約数ペア:

[(1, 80821865), (5, 16164373), (41, 1971265), (109, 741485), (205, 394253), (545, 148297), (3617, 22345), (4469, 18085)]