40823920

素因数分解:

$2^4\times 5^1\times {\mathrm{510299}}^1$

素因数の和:510312

約数の個数: 20

約数和(自身を含む): 94915800

約数和(自身を除く): 54091880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 510299, 1020598, 2041196, 2551495, 4082392, 5102990, 8164784, 10205980, 20411960, 40823920]

約数ペア:

[(1, 40823920), (2, 20411960), (4, 10205980), (5, 8164784), (8, 5102990), (10, 4082392), (16, 2551495), (20, 2041196), (40, 1020598), (80, 510299)]