138392620

素因数分解:

$2^2\times 5^1\times {\mathrm{1627}}^1\times {\mathrm{4253}}^1$

素因数の和:5889

約数の個数: 24

約数和(自身を含む): 290871504

約数和(自身を除く): 152478884

約数列:

[1, 2, 4, 5, 10, 20, 1627, 3254, 4253, 6508, 8135, 8506, 16270, 17012, 21265, 32540, 42530, 85060, 6919631, 13839262, 27678524, 34598155, 69196310, 138392620]

約数ペア:

[(1, 138392620), (2, 69196310), (4, 34598155), (5, 27678524), (10, 13839262), (20, 6919631), (1627, 85060), (3254, 42530), (4253, 32540), (6508, 21265), (8135, 17012), (8506, 16270)]