16561640

素因数分解:

$2^3\times 5^1\times {\mathrm{233}}^1\times {\mathrm{1777}}^1$

素因数の和:2021

約数の個数: 32

約数和(自身を含む): 37444680

約数和(自身を除く): 20883040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 233, 466, 932, 1165, 1777, 1864, 2330, 3554, 4660, 7108, 8885, 9320, 14216, 17770, 35540, 71080, 414041, 828082, 1656164, 2070205, 3312328, 4140410, 8280820, 16561640]

約数ペア:

[(1, 16561640), (2, 8280820), (4, 4140410), (5, 3312328), (8, 2070205), (10, 1656164), (20, 828082), (40, 414041), (233, 71080), (466, 35540), (932, 17770), (1165, 14216), (1777, 9320), (1864, 8885), (2330, 7108), (3554, 4660)]