78861070

素因数分解:

$2^1\times 5^1\times {\mathrm{197}}^1\times {\mathrm{40031}}^1$

素因数の和:40235

約数の個数: 16

約数和(自身を含む): 142674048

約数和(自身を除く): 63812978

約数列:

[1, 2, 5, 10, 197, 394, 985, 1970, 40031, 80062, 200155, 400310, 7886107, 15772214, 39430535, 78861070]

約数ペア:

[(1, 78861070), (2, 39430535), (5, 15772214), (10, 7886107), (197, 400310), (394, 200155), (985, 80062), (1970, 40031)]