40023920

素因数分解:

$2^4\times 5^1\times {\mathrm{500299}}^1$

素因数の和:500312

約数の個数: 20

約数和(自身を含む): 93055800

約数和(自身を除く): 53031880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 500299, 1000598, 2001196, 2501495, 4002392, 5002990, 8004784, 10005980, 20011960, 40023920]

約数ペア:

[(1, 40023920), (2, 20011960), (4, 10005980), (5, 8004784), (8, 5002990), (10, 4002392), (16, 2501495), (20, 2001196), (40, 1000598), (80, 500299)]