9005680

素因数分解:

$2^4\times 5^1\times {\mathrm{112571}}^1$

素因数の和:112584

約数の個数: 20

約数和(自身を含む): 20938392

約数和(自身を除く): 11932712

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 112571, 225142, 450284, 562855, 900568, 1125710, 1801136, 2251420, 4502840, 9005680]

約数ペア:

[(1, 9005680), (2, 4502840), (4, 2251420), (5, 1801136), (8, 1125710), (10, 900568), (16, 562855), (20, 450284), (40, 225142), (80, 112571)]