72570640

素因数分解:

$2^4\times 5^1\times {\mathrm{907133}}^1$

素因数の和:907146

約数の個数: 20

約数和(自身を含む): 168726924

約数和(自身を除く): 96156284

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 907133, 1814266, 3628532, 4535665, 7257064, 9071330, 14514128, 18142660, 36285320, 72570640]

約数ペア:

[(1, 72570640), (2, 36285320), (4, 18142660), (5, 14514128), (8, 9071330), (10, 7257064), (16, 4535665), (20, 3628532), (40, 1814266), (80, 907133)]