61341820

素因数分解:

$2^2\times 5^1\times {\mathrm{409}}^1\times {\mathrm{7499}}^1$

素因数の和:7917

約数の個数: 24

約数和(自身を含む): 129150000

約数和(自身を除く): 67808180

約数列:

[1, 2, 4, 5, 10, 20, 409, 818, 1636, 2045, 4090, 7499, 8180, 14998, 29996, 37495, 74990, 149980, 3067091, 6134182, 12268364, 15335455, 30670910, 61341820]

約数ペア:

[(1, 61341820), (2, 30670910), (4, 15335455), (5, 12268364), (10, 6134182), (20, 3067091), (409, 149980), (818, 74990), (1636, 37495), (2045, 29996), (4090, 14998), (7499, 8180)]