17381680

素因数分解:

$2^4\times 5^1\times {\mathrm{217271}}^1$

素因数の和:217284

約数の個数: 20

約数和(自身を含む): 40412592

約数和(自身を除く): 23030912

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 217271, 434542, 869084, 1086355, 1738168, 2172710, 3476336, 4345420, 8690840, 17381680]

約数ペア:

[(1, 17381680), (2, 8690840), (4, 4345420), (5, 3476336), (8, 2172710), (10, 1738168), (16, 1086355), (20, 869084), (40, 434542), (80, 217271)]