2153180

素因数分解:

$2^2\times 5^1\times {\mathrm{199}}^1\times {\mathrm{541}}^1$

素因数の和:749

約数の個数: 24

約数和(自身を含む): 4552800

約数和(自身を除く): 2399620

約数列:

[1, 2, 4, 5, 10, 20, 199, 398, 541, 796, 995, 1082, 1990, 2164, 2705, 3980, 5410, 10820, 107659, 215318, 430636, 538295, 1076590, 2153180]

約数ペア:

[(1, 2153180), (2, 1076590), (4, 538295), (5, 430636), (10, 215318), (20, 107659), (199, 10820), (398, 5410), (541, 3980), (796, 2705), (995, 2164), (1082, 1990)]