78513640

素因数分解:

$2^3\times 5^1\times {\mathrm{379}}^1\times {\mathrm{5179}}^1$

素因数の和:5569

約数の個数: 32

約数和(自身を含む): 177156000

約数和(自身を除く): 98642360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 379, 758, 1516, 1895, 3032, 3790, 5179, 7580, 10358, 15160, 20716, 25895, 41432, 51790, 103580, 207160, 1962841, 3925682, 7851364, 9814205, 15702728, 19628410, 39256820, 78513640]

約数ペア:

[(1, 78513640), (2, 39256820), (4, 19628410), (5, 15702728), (8, 9814205), (10, 7851364), (20, 3925682), (40, 1962841), (379, 207160), (758, 103580), (1516, 51790), (1895, 41432), (3032, 25895), (3790, 20716), (5179, 15160), (7580, 10358)]