72490640

素因数分解:

$2^4\times 5^1\times {\mathrm{906133}}^1$

素因数の和:906146

約数の個数: 20

約数和(自身を含む): 168540924

約数和(自身を除く): 96050284

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 906133, 1812266, 3624532, 4530665, 7249064, 9061330, 14498128, 18122660, 36245320, 72490640]

約数ペア:

[(1, 72490640), (2, 36245320), (4, 18122660), (5, 14498128), (8, 9061330), (10, 7249064), (16, 4530665), (20, 3624532), (40, 1812266), (80, 906133)]