8656593640

素因数分解:

$2^3\times 5^1\times {\mathrm{5501}}^1\times {\mathrm{39341}}^1$

素因数の和:44853

約数の個数: 32

約数和(自身を含む): 19481371560

約数和(自身を除く): 10824777920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 5501, 11002, 22004, 27505, 39341, 44008, 55010, 78682, 110020, 157364, 196705, 220040, 314728, 393410, 786820, 1573640, 216414841, 432829682, 865659364, 1082074205, 1731318728, 2164148410, 4328296820, 8656593640]

約数ペア:

[(1, 8656593640), (2, 4328296820), (4, 2164148410), (5, 1731318728), (8, 1082074205), (10, 865659364), (20, 432829682), (40, 216414841), (5501, 1573640), (11002, 786820), (22004, 393410), (27505, 314728), (39341, 220040), (44008, 196705), (55010, 157364), (78682, 110020)]