99656560

素因数分解:

$2^4\times 5^1\times {\mathrm{1245707}}^1$

素因数の和:1245720

約数の個数: 20

約数和(自身を含む): 231701688

約数和(自身を除く): 132045128

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1245707, 2491414, 4982828, 6228535, 9965656, 12457070, 19931312, 24914140, 49828280, 99656560]

約数ペア:

[(1, 99656560), (2, 49828280), (4, 24914140), (5, 19931312), (8, 12457070), (10, 9965656), (16, 6228535), (20, 4982828), (40, 2491414), (80, 1245707)]