89664880

素因数分解:

$2^4\times 5^1\times {\mathrm{1120811}}^1$

素因数の和:1120824

約数の個数: 20

約数和(自身を含む): 208471032

約数和(自身を除く): 118806152

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1120811, 2241622, 4483244, 5604055, 8966488, 11208110, 17932976, 22416220, 44832440, 89664880]

約数ペア:

[(1, 89664880), (2, 44832440), (4, 22416220), (5, 17932976), (8, 11208110), (10, 8966488), (16, 5604055), (20, 4483244), (40, 2241622), (80, 1120811)]