86568980

素因数分解:

$2^2\times 5^1\times {\mathrm{199}}^1\times {\mathrm{21751}}^1$

素因数の和:21959

約数の個数: 24

約数和(自身を含む): 182716800

約数和(自身を除く): 96147820

約数列:

[1, 2, 4, 5, 10, 20, 199, 398, 796, 995, 1990, 3980, 21751, 43502, 87004, 108755, 217510, 435020, 4328449, 8656898, 17313796, 21642245, 43284490, 86568980]

約数ペア:

[(1, 86568980), (2, 43284490), (4, 21642245), (5, 17313796), (10, 8656898), (20, 4328449), (199, 435020), (398, 217510), (796, 108755), (995, 87004), (1990, 43502), (3980, 21751)]