5156080

素因数分解:

$2^4\times 5^1\times {\mathrm{64451}}^1$

素因数の和:64464

約数の個数: 20

約数和(自身を含む): 11988072

約数和(自身を除く): 6831992

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 64451, 128902, 257804, 322255, 515608, 644510, 1031216, 1289020, 2578040, 5156080]

約数ペア:

[(1, 5156080), (2, 2578040), (4, 1289020), (5, 1031216), (8, 644510), (10, 515608), (16, 322255), (20, 257804), (40, 128902), (80, 64451)]