5420080

素因数分解:

$2^4\times 5^1\times {\mathrm{67751}}^1$

素因数の和:67764

約数の個数: 20

約数和(自身を含む): 12601872

約数和(自身を除く): 7181792

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 67751, 135502, 271004, 338755, 542008, 677510, 1084016, 1355020, 2710040, 5420080]

約数ペア:

[(1, 5420080), (2, 2710040), (4, 1355020), (5, 1084016), (8, 677510), (10, 542008), (16, 338755), (20, 271004), (40, 135502), (80, 67751)]