64769080

素因数分解:

$2^3\times 5^1\times {\mathrm{1619227}}^1$

素因数の和:1619238

約数の個数: 16

約数和(自身を含む): 145730520

約数和(自身を除く): 80961440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1619227, 3238454, 6476908, 8096135, 12953816, 16192270, 32384540, 64769080]

約数ペア:

[(1, 64769080), (2, 32384540), (4, 16192270), (5, 12953816), (8, 8096135), (10, 6476908), (20, 3238454), (40, 1619227)]