89745520

素因数分解:

$2^4\times 5^1\times {\mathrm{1121819}}^1$

素因数の和:1121832

約数の個数: 20

約数和(自身を含む): 208658520

約数和(自身を除く): 118913000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1121819, 2243638, 4487276, 5609095, 8974552, 11218190, 17949104, 22436380, 44872760, 89745520]

約数ペア:

[(1, 89745520), (2, 44872760), (4, 22436380), (5, 17949104), (8, 11218190), (10, 8974552), (16, 5609095), (20, 4487276), (40, 2243638), (80, 1121819)]