890080

素因数分解:

$2^5\times 5^1\times {\mathrm{5563}}^1$

素因数の和:5578

約数の個数: 24

約数和(自身を含む): 2103192

約数和(自身を除く): 1213112

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 5563, 11126, 22252, 27815, 44504, 55630, 89008, 111260, 178016, 222520, 445040, 890080]

約数ペア:

[(1, 890080), (2, 445040), (4, 222520), (5, 178016), (8, 111260), (10, 89008), (16, 55630), (20, 44504), (32, 27815), (40, 22252), (80, 11126), (160, 5563)]