57131440

素因数分解:

$2^4\times 5^1\times {\mathrm{714143}}^1$

素因数の和:714156

約数の個数: 20

約数和(自身を含む): 132830784

約数和(自身を除く): 75699344

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 714143, 1428286, 2856572, 3570715, 5713144, 7141430, 11426288, 14282860, 28565720, 57131440]

約数ペア:

[(1, 57131440), (2, 28565720), (4, 14282860), (5, 11426288), (8, 7141430), (10, 5713144), (16, 3570715), (20, 2856572), (40, 1428286), (80, 714143)]