40571920

素因数分解:

$2^4\times 5^1\times {\mathrm{507149}}^1$

素因数の和:507162

約数の個数: 20

約数和(自身を含む): 94329900

約数和(自身を除く): 53757980

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 507149, 1014298, 2028596, 2535745, 4057192, 5071490, 8114384, 10142980, 20285960, 40571920]

約数ペア:

[(1, 40571920), (2, 20285960), (4, 10142980), (5, 8114384), (8, 5071490), (10, 4057192), (16, 2535745), (20, 2028596), (40, 1014298), (80, 507149)]