87081520

素因数分解:

$2^4\times 5^1\times {\mathrm{1088519}}^1$

素因数の和:1088532

約数の個数: 20

約数和(自身を含む): 202464720

約数和(自身を除く): 115383200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1088519, 2177038, 4354076, 5442595, 8708152, 10885190, 17416304, 21770380, 43540760, 87081520]

約数ペア:

[(1, 87081520), (2, 43540760), (4, 21770380), (5, 17416304), (8, 10885190), (10, 8708152), (16, 5442595), (20, 4354076), (40, 2177038), (80, 1088519)]