38611880

素因数分解:

$2^3\times 5^1\times {\mathrm{443}}^1\times {\mathrm{2179}}^1$

素因数の和:2633

約数の個数: 32

約数和(自身を含む): 87112800

約数和(自身を除く): 48500920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 443, 886, 1772, 2179, 2215, 3544, 4358, 4430, 8716, 8860, 10895, 17432, 17720, 21790, 43580, 87160, 965297, 1930594, 3861188, 4826485, 7722376, 9652970, 19305940, 38611880]

約数ペア:

[(1, 38611880), (2, 19305940), (4, 9652970), (5, 7722376), (8, 4826485), (10, 3861188), (20, 1930594), (40, 965297), (443, 87160), (886, 43580), (1772, 21790), (2179, 17720), (2215, 17432), (3544, 10895), (4358, 8860), (4430, 8716)]