74390020

素因数分解:

$2^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{26759}}^1$

素因数の和:26907

約数の個数: 24

約数和(自身を含む): 157348800

約数和(自身を除く): 82958780

約数列:

[1, 2, 4, 5, 10, 20, 139, 278, 556, 695, 1390, 2780, 26759, 53518, 107036, 133795, 267590, 535180, 3719501, 7439002, 14878004, 18597505, 37195010, 74390020]

約数ペア:

[(1, 74390020), (2, 37195010), (4, 18597505), (5, 14878004), (10, 7439002), (20, 3719501), (139, 535180), (278, 267590), (556, 133795), (695, 107036), (1390, 53518), (2780, 26759)]