40755920

素因数分解:

$2^4\times 5^1\times {\mathrm{509449}}^1$

素因数の和:509462

約数の個数: 20

約数和(自身を含む): 94757700

約数和(自身を除く): 54001780

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 509449, 1018898, 2037796, 2547245, 4075592, 5094490, 8151184, 10188980, 20377960, 40755920]

約数ペア:

[(1, 40755920), (2, 20377960), (4, 10188980), (5, 8151184), (8, 5094490), (10, 4075592), (16, 2547245), (20, 2037796), (40, 1018898), (80, 509449)]