408060080

素因数分解:

$2^4\times 5^1\times {\mathrm{5100751}}^1$

素因数の和:5100764

約数の個数: 20

約数和(自身を含む): 948739872

約数和(自身を除く): 540679792

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 5100751, 10201502, 20403004, 25503755, 40806008, 51007510, 81612016, 102015020, 204030040, 408060080]

約数ペア:

[(1, 408060080), (2, 204030040), (4, 102015020), (5, 81612016), (8, 51007510), (10, 40806008), (16, 25503755), (20, 20403004), (40, 10201502), (80, 5100751)]