13230020

素因数分解:

$2^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{4759}}^1$

素因数の和:4907

約数の個数: 24

約数和(自身を含む): 27988800

約数和(自身を除く): 14758780

約数列:

[1, 2, 4, 5, 10, 20, 139, 278, 556, 695, 1390, 2780, 4759, 9518, 19036, 23795, 47590, 95180, 661501, 1323002, 2646004, 3307505, 6615010, 13230020]

約数ペア:

[(1, 13230020), (2, 6615010), (4, 3307505), (5, 2646004), (10, 1323002), (20, 661501), (139, 95180), (278, 47590), (556, 23795), (695, 19036), (1390, 9518), (2780, 4759)]