40580080

素因数分解:

$2^4\times 5^1\times {\mathrm{199}}^1\times {\mathrm{2549}}^1$

素因数の和:2761

約数の個数: 40

約数和(自身を含む): 94860000

約数和(自身を除く): 54279920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 199, 398, 796, 995, 1592, 1990, 2549, 3184, 3980, 5098, 7960, 10196, 12745, 15920, 20392, 25490, 40784, 50980, 101960, 203920, 507251, 1014502, 2029004, 2536255, 4058008, 5072510, 8116016, 10145020, 20290040, 40580080]

約数ペア:

[(1, 40580080), (2, 20290040), (4, 10145020), (5, 8116016), (8, 5072510), (10, 4058008), (16, 2536255), (20, 2029004), (40, 1014502), (80, 507251), (199, 203920), (398, 101960), (796, 50980), (995, 40784), (1592, 25490), (1990, 20392), (2549, 15920), (3184, 12745), (3980, 10196), (5098, 7960)]