39143380

素因数分解:

$2^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{20177}}^1$

素因数の和:20283

約数の個数: 24

約数和(自身を含む): 83052648

約数和(自身を除く): 43909268

約数列:

[1, 2, 4, 5, 10, 20, 97, 194, 388, 485, 970, 1940, 20177, 40354, 80708, 100885, 201770, 403540, 1957169, 3914338, 7828676, 9785845, 19571690, 39143380]

約数ペア:

[(1, 39143380), (2, 19571690), (4, 9785845), (5, 7828676), (10, 3914338), (20, 1957169), (97, 403540), (194, 201770), (388, 100885), (485, 80708), (970, 40354), (1940, 20177)]