87620080

素因数分解:

$2^4\times 5^1\times {\mathrm{1095251}}^1$

素因数の和:1095264

約数の個数: 20

約数和(自身を含む): 203716872

約数和(自身を除く): 116096792

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1095251, 2190502, 4381004, 5476255, 8762008, 10952510, 17524016, 21905020, 43810040, 87620080]

約数ペア:

[(1, 87620080), (2, 43810040), (4, 21905020), (5, 17524016), (8, 10952510), (10, 8762008), (16, 5476255), (20, 4381004), (40, 2190502), (80, 1095251)]