262552720

素因数分解:

$2^4\times 5^1\times {\mathrm{3281909}}^1$

素因数の和:3281922

約数の個数: 20

約数和(自身を含む): 610435260

約数和(自身を除く): 347882540

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 3281909, 6563818, 13127636, 16409545, 26255272, 32819090, 52510544, 65638180, 131276360, 262552720]

約数ペア:

[(1, 262552720), (2, 131276360), (4, 65638180), (5, 52510544), (8, 32819090), (10, 26255272), (16, 16409545), (20, 13127636), (40, 6563818), (80, 3281909)]