78242660

素因数分解:

$2^2\times 5^1\times {\mathrm{443}}^1\times {\mathrm{8831}}^1$

素因数の和:9283

約数の個数: 24

約数和(自身を含む): 164699136

約数和(自身を除く): 86456476

約数列:

[1, 2, 4, 5, 10, 20, 443, 886, 1772, 2215, 4430, 8831, 8860, 17662, 35324, 44155, 88310, 176620, 3912133, 7824266, 15648532, 19560665, 39121330, 78242660]

約数ペア:

[(1, 78242660), (2, 39121330), (4, 19560665), (5, 15648532), (10, 7824266), (20, 3912133), (443, 176620), (886, 88310), (1772, 44155), (2215, 35324), (4430, 17662), (8831, 8860)]