2034780080

素因数分解:

$2^4\times 5^1\times {\mathrm{25434751}}^1$

素因数の和:25434764

約数の個数: 20

約数和(自身を含む): 4730863872

約数和(自身を除く): 2696083792

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 25434751, 50869502, 101739004, 127173755, 203478008, 254347510, 406956016, 508695020, 1017390040, 2034780080]

約数ペア:

[(1, 2034780080), (2, 1017390040), (4, 508695020), (5, 406956016), (8, 254347510), (10, 203478008), (16, 127173755), (20, 101739004), (40, 50869502), (80, 25434751)]