11147980

素因数分解:

$2^2\times 5^1\times {\mathrm{199}}^1\times {\mathrm{2801}}^1$

素因数の和:3009

約数の個数: 24

約数和(自身を含む): 23536800

約数和(自身を除く): 12388820

約数列:

[1, 2, 4, 5, 10, 20, 199, 398, 796, 995, 1990, 2801, 3980, 5602, 11204, 14005, 28010, 56020, 557399, 1114798, 2229596, 2786995, 5573990, 11147980]

約数ペア:

[(1, 11147980), (2, 5573990), (4, 2786995), (5, 2229596), (10, 1114798), (20, 557399), (199, 56020), (398, 28010), (796, 14005), (995, 11204), (1990, 5602), (2801, 3980)]