81310256

素因数分解:

$2^4\times {\mathrm{421}}^1\times {\mathrm{12071}}^1$

素因数の和:12500

約数の個数: 20

約数和(自身を含む): 157925904

約数和(自身を除く): 76615648

約数列:

[1, 2, 4, 8, 16, 421, 842, 1684, 3368, 6736, 12071, 24142, 48284, 96568, 193136, 5081891, 10163782, 20327564, 40655128, 81310256]

約数ペア:

[(1, 81310256), (2, 40655128), (4, 20327564), (8, 10163782), (16, 5081891), (421, 193136), (842, 96568), (1684, 48284), (3368, 24142), (6736, 12071)]