39772940

素因数分解:

$2^2\times 5^1\times {\mathrm{181}}^1\times {\mathrm{10987}}^1$

素因数の和:11177

約数の個数: 24

約数和(自身を含む): 83992272

約数和(自身を除く): 44219332

約数列:

[1, 2, 4, 5, 10, 20, 181, 362, 724, 905, 1810, 3620, 10987, 21974, 43948, 54935, 109870, 219740, 1988647, 3977294, 7954588, 9943235, 19886470, 39772940]

約数ペア:

[(1, 39772940), (2, 19886470), (4, 9943235), (5, 7954588), (10, 3977294), (20, 1988647), (181, 219740), (362, 109870), (724, 54935), (905, 43948), (1810, 21974), (3620, 10987)]