38992340

素因数分解:

$2^2\times 5^1\times {\mathrm{1091}}^1\times {\mathrm{1787}}^1$

素因数の和:2887

約数の個数: 24

約数和(自身を含む): 82004832

約数和(自身を除く): 43012492

約数列:

[1, 2, 4, 5, 10, 20, 1091, 1787, 2182, 3574, 4364, 5455, 7148, 8935, 10910, 17870, 21820, 35740, 1949617, 3899234, 7798468, 9748085, 19496170, 38992340]

約数ペア:

[(1, 38992340), (2, 19496170), (4, 9748085), (5, 7798468), (10, 3899234), (20, 1949617), (1091, 35740), (1787, 21820), (2182, 17870), (3574, 10910), (4364, 8935), (5455, 7148)]