39928740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{665479}}^1$

素因数の和:665491

約数の個数: 24

約数和(自身を含む): 111800640

約数和(自身を除く): 71871900

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 665479, 1330958, 1996437, 2661916, 3327395, 3992874, 6654790, 7985748, 9982185, 13309580, 19964370, 39928740]

約数ペア:

[(1, 39928740), (2, 19964370), (3, 13309580), (4, 9982185), (5, 7985748), (6, 6654790), (10, 3992874), (12, 3327395), (15, 2661916), (20, 1996437), (30, 1330958), (60, 665479)]