39141040

素因数分解:

$2^4\times 5^1\times {\mathrm{489263}}^1$

素因数の和:489276

約数の個数: 20

約数和(自身を含む): 91003104

約数和(自身を除く): 51862064

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 489263, 978526, 1957052, 2446315, 3914104, 4892630, 7828208, 9785260, 19570520, 39141040]

約数ペア:

[(1, 39141040), (2, 19570520), (4, 9785260), (5, 7828208), (8, 4892630), (10, 3914104), (16, 2446315), (20, 1957052), (40, 978526), (80, 489263)]