15215780

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{16187}}^1$

素因数の和:16243

約数の個数: 24

約数和(自身を含む): 32635008

約数和(自身を除く): 17419228

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 188, 235, 470, 940, 16187, 32374, 64748, 80935, 161870, 323740, 760789, 1521578, 3043156, 3803945, 7607890, 15215780]

約数ペア:

[(1, 15215780), (2, 7607890), (4, 3803945), (5, 3043156), (10, 1521578), (20, 760789), (47, 323740), (94, 161870), (188, 80935), (235, 64748), (470, 32374), (940, 16187)]