51860560

素因数分解:

$2^4\times 5^1\times {\mathrm{648257}}^1$

素因数の和:648270

約数の個数: 20

約数和(自身を含む): 120575988

約数和(自身を除く): 68715428

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 648257, 1296514, 2593028, 3241285, 5186056, 6482570, 10372112, 12965140, 25930280, 51860560]

約数ペア:

[(1, 51860560), (2, 25930280), (4, 12965140), (5, 10372112), (8, 6482570), (10, 5186056), (16, 3241285), (20, 2593028), (40, 1296514), (80, 648257)]