15427640

素因数分解:

$2^3\times 5^1\times {\mathrm{449}}^1\times {\mathrm{859}}^1$

素因数の和:1319

約数の個数: 32

約数和(自身を含む): 34830000

約数和(自身を除く): 19402360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 449, 859, 898, 1718, 1796, 2245, 3436, 3592, 4295, 4490, 6872, 8590, 8980, 17180, 17960, 34360, 385691, 771382, 1542764, 1928455, 3085528, 3856910, 7713820, 15427640]

約数ペア:

[(1, 15427640), (2, 7713820), (4, 3856910), (5, 3085528), (8, 1928455), (10, 1542764), (20, 771382), (40, 385691), (449, 34360), (859, 17960), (898, 17180), (1718, 8980), (1796, 8590), (2245, 6872), (3436, 4490), (3592, 4295)]