1272836080

素因数分解:

$2^4\times 5^1\times {\mathrm{15910451}}^1$

素因数の和:15910464

約数の個数: 20

約数和(自身を含む): 2959344072

約数和(自身を除く): 1686507992

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 15910451, 31820902, 63641804, 79552255, 127283608, 159104510, 254567216, 318209020, 636418040, 1272836080]

約数ペア:

[(1, 1272836080), (2, 636418040), (4, 318209020), (5, 254567216), (8, 159104510), (10, 127283608), (16, 79552255), (20, 63641804), (40, 31820902), (80, 15910451)]