12700180

素因数分解:

$2^2\times 5^1\times {\mathrm{199}}^1\times {\mathrm{3191}}^1$

素因数の和:3399

約数の個数: 24

約数和(自身を含む): 26812800

約数和(自身を除く): 14112620

約数列:

[1, 2, 4, 5, 10, 20, 199, 398, 796, 995, 1990, 3191, 3980, 6382, 12764, 15955, 31910, 63820, 635009, 1270018, 2540036, 3175045, 6350090, 12700180]

約数ペア:

[(1, 12700180), (2, 6350090), (4, 3175045), (5, 2540036), (10, 1270018), (20, 635009), (199, 63820), (398, 31910), (796, 15955), (995, 12764), (1990, 6382), (3191, 3980)]