159141040

素因数分解:

$2^4\times 5^1\times {\mathrm{1989263}}^1$

素因数の和:1989276

約数の個数: 20

約数和(自身を含む): 370003104

約数和(自身を除く): 210862064

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1989263, 3978526, 7957052, 9946315, 15914104, 19892630, 31828208, 39785260, 79570520, 159141040]

約数ペア:

[(1, 159141040), (2, 79570520), (4, 39785260), (5, 31828208), (8, 19892630), (10, 15914104), (16, 9946315), (20, 7957052), (40, 3978526), (80, 1989263)]