38954680

素因数分解:

$2^3\times 5^1\times {\mathrm{457}}^1\times {\mathrm{2131}}^1$

素因数の和:2599

約数の個数: 32

約数和(自身を含む): 87881040

約数和(自身を除く): 48926360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 457, 914, 1828, 2131, 2285, 3656, 4262, 4570, 8524, 9140, 10655, 17048, 18280, 21310, 42620, 85240, 973867, 1947734, 3895468, 4869335, 7790936, 9738670, 19477340, 38954680]

約数ペア:

[(1, 38954680), (2, 19477340), (4, 9738670), (5, 7790936), (8, 4869335), (10, 3895468), (20, 1947734), (40, 973867), (457, 85240), (914, 42620), (1828, 21310), (2131, 18280), (2285, 17048), (3656, 10655), (4262, 9140), (4570, 8524)]