15037640

素因数分解:

$2^3\times 5^1\times {\mathrm{109}}^1\times {\mathrm{3449}}^1$

素因数の和:3569

約数の個数: 32

約数和(自身を含む): 34155000

約数和(自身を除く): 19117360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 109, 218, 436, 545, 872, 1090, 2180, 3449, 4360, 6898, 13796, 17245, 27592, 34490, 68980, 137960, 375941, 751882, 1503764, 1879705, 3007528, 3759410, 7518820, 15037640]

約数ペア:

[(1, 15037640), (2, 7518820), (4, 3759410), (5, 3007528), (8, 1879705), (10, 1503764), (20, 751882), (40, 375941), (109, 137960), (218, 68980), (436, 34490), (545, 27592), (872, 17245), (1090, 13796), (2180, 6898), (3449, 4360)]