51771760

素因数分解:

$2^4\times 5^1\times {\mathrm{647147}}^1$

素因数の和:647160

約数の個数: 20

約数和(自身を含む): 120369528

約数和(自身を除く): 68597768

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 647147, 1294294, 2588588, 3235735, 5177176, 6471470, 10354352, 12942940, 25885880, 51771760]

約数ペア:

[(1, 51771760), (2, 25885880), (4, 12942940), (5, 10354352), (8, 6471470), (10, 5177176), (16, 3235735), (20, 2588588), (40, 1294294), (80, 647147)]