39900980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{285007}}^1$

素因数の和:285023

約数の個数: 24

約数和(自身を含む): 95762688

約数和(自身を除く): 55861708

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 285007, 570014, 1140028, 1425035, 1995049, 2850070, 3990098, 5700140, 7980196, 9975245, 19950490, 39900980]

約数ペア:

[(1, 39900980), (2, 19950490), (4, 9975245), (5, 7980196), (7, 5700140), (10, 3990098), (14, 2850070), (20, 1995049), (28, 1425035), (35, 1140028), (70, 570014), (140, 285007)]