40502020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{155777}}^1$

素因数の和:155799

約数の個数: 24

約数和(自身を含む): 91597464

約数和(自身を除く): 51095444

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 155777, 311554, 623108, 778885, 1557770, 2025101, 3115540, 4050202, 8100404, 10125505, 20251010, 40502020]

約数ペア:

[(1, 40502020), (2, 20251010), (4, 10125505), (5, 8100404), (10, 4050202), (13, 3115540), (20, 2025101), (26, 1557770), (52, 778885), (65, 623108), (130, 311554), (260, 155777)]