2015577680

素因数分解:

$2^4\times 5^1\times {\mathrm{25194721}}^1$

素因数の和:25194734

約数の個数: 20

約数和(自身を含む): 4686218292

約数和(自身を除く): 2670640612

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 25194721, 50389442, 100778884, 125973605, 201557768, 251947210, 403115536, 503894420, 1007788840, 2015577680]

約数ペア:

[(1, 2015577680), (2, 1007788840), (4, 503894420), (5, 403115536), (8, 251947210), (10, 201557768), (16, 125973605), (20, 100778884), (40, 50389442), (80, 25194721)]