16431640

素因数分解:

$2^3\times 5^1\times {\mathrm{277}}^1\times {\mathrm{1483}}^1$

素因数の和:1771

約数の個数: 32

約数和(自身を含む): 37129680

約数和(自身を除く): 20698040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 277, 554, 1108, 1385, 1483, 2216, 2770, 2966, 5540, 5932, 7415, 11080, 11864, 14830, 29660, 59320, 410791, 821582, 1643164, 2053955, 3286328, 4107910, 8215820, 16431640]

約数ペア:

[(1, 16431640), (2, 8215820), (4, 4107910), (5, 3286328), (8, 2053955), (10, 1643164), (20, 821582), (40, 410791), (277, 59320), (554, 29660), (1108, 14830), (1385, 11864), (1483, 11080), (2216, 7415), (2770, 5932), (2966, 5540)]