13305080

素因数分解:

$2^3\times 5^1\times {\mathrm{139}}^1\times {\mathrm{2393}}^1$

素因数の和:2543

約数の個数: 32

約数和(自身を含む): 30164400

約数和(自身を除く): 16859320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 139, 278, 556, 695, 1112, 1390, 2393, 2780, 4786, 5560, 9572, 11965, 19144, 23930, 47860, 95720, 332627, 665254, 1330508, 1663135, 2661016, 3326270, 6652540, 13305080]

約数ペア:

[(1, 13305080), (2, 6652540), (4, 3326270), (5, 2661016), (8, 1663135), (10, 1330508), (20, 665254), (40, 332627), (139, 95720), (278, 47860), (556, 23930), (695, 19144), (1112, 11965), (1390, 9572), (2393, 5560), (2780, 4786)]