40194020

素因数分解:

$2^2\times 5^1\times {\mathrm{199}}^1\times {\mathrm{10099}}^1$

素因数の和:10307

約数の個数: 24

約数和(自身を含む): 84840000

約数和(自身を除く): 44645980

約数列:

[1, 2, 4, 5, 10, 20, 199, 398, 796, 995, 1990, 3980, 10099, 20198, 40396, 50495, 100990, 201980, 2009701, 4019402, 8038804, 10048505, 20097010, 40194020]

約数ペア:

[(1, 40194020), (2, 20097010), (4, 10048505), (5, 8038804), (10, 4019402), (20, 2009701), (199, 201980), (398, 100990), (796, 50495), (995, 40396), (1990, 20198), (3980, 10099)]