80853820

素因数分解:

$2^2\times 5^1\times {\mathrm{1427}}^1\times {\mathrm{2833}}^1$

素因数の和:4269

約数の個数: 24

約数和(自身を含む): 169971984

約数和(自身を除く): 89118164

約数列:

[1, 2, 4, 5, 10, 20, 1427, 2833, 2854, 5666, 5708, 7135, 11332, 14165, 14270, 28330, 28540, 56660, 4042691, 8085382, 16170764, 20213455, 40426910, 80853820]

約数ペア:

[(1, 80853820), (2, 40426910), (4, 20213455), (5, 16170764), (10, 8085382), (20, 4042691), (1427, 56660), (2833, 28540), (2854, 28330), (5666, 14270), (5708, 14165), (7135, 11332)]