8820080

素因数分解:

$2^4\times 5^1\times {\mathrm{110251}}^1$

素因数の和:110264

約数の個数: 20

約数和(自身を含む): 20506872

約数和(自身を除く): 11686792

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 110251, 220502, 441004, 551255, 882008, 1102510, 1764016, 2205020, 4410040, 8820080]

約数ペア:

[(1, 8820080), (2, 4410040), (4, 2205020), (5, 1764016), (8, 1102510), (10, 882008), (16, 551255), (20, 441004), (40, 220502), (80, 110251)]