9289640

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{3271}}^1$

素因数の和:3353

約数の個数: 32

約数和(自身を含む): 21202560

約数和(自身を除く): 11912920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 2840, 3271, 6542, 13084, 16355, 26168, 32710, 65420, 130840, 232241, 464482, 928964, 1161205, 1857928, 2322410, 4644820, 9289640]

約数ペア:

[(1, 9289640), (2, 4644820), (4, 2322410), (5, 1857928), (8, 1161205), (10, 928964), (20, 464482), (40, 232241), (71, 130840), (142, 65420), (284, 32710), (355, 26168), (568, 16355), (710, 13084), (1420, 6542), (2840, 3271)]