8620880

素因数分解:

$2^4\times 5^1\times {\mathrm{107761}}^1$

素因数の和:107774

約数の個数: 20

約数和(自身を含む): 20043732

約数和(自身を除く): 11422852

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 107761, 215522, 431044, 538805, 862088, 1077610, 1724176, 2155220, 4310440, 8620880]

約数ペア:

[(1, 8620880), (2, 4310440), (4, 2155220), (5, 1724176), (8, 1077610), (10, 862088), (16, 538805), (20, 431044), (40, 215522), (80, 107761)]