200971640

素因数分解:

$2^3\times 5^1\times {\mathrm{859}}^1\times {\mathrm{5849}}^1$

素因数の和:6719

約数の個数: 32

約数和(自身を含む): 452790000

約数和(自身を除く): 251818360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 859, 1718, 3436, 4295, 5849, 6872, 8590, 11698, 17180, 23396, 29245, 34360, 46792, 58490, 116980, 233960, 5024291, 10048582, 20097164, 25121455, 40194328, 50242910, 100485820, 200971640]

約数ペア:

[(1, 200971640), (2, 100485820), (4, 50242910), (5, 40194328), (8, 25121455), (10, 20097164), (20, 10048582), (40, 5024291), (859, 233960), (1718, 116980), (3436, 58490), (4295, 46792), (5849, 34360), (6872, 29245), (8590, 23396), (11698, 17180)]