17105680

素因数分解:

$2^4\times 5^1\times {\mathrm{213821}}^1$

素因数の和:213834

約数の個数: 20

約数和(自身を含む): 39770892

約数和(自身を除く): 22665212

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 213821, 427642, 855284, 1069105, 1710568, 2138210, 3421136, 4276420, 8552840, 17105680]

約数ペア:

[(1, 17105680), (2, 8552840), (4, 4276420), (5, 3421136), (8, 2138210), (10, 1710568), (16, 1069105), (20, 855284), (40, 427642), (80, 213821)]