28764880

素因数分解:

$2^4\times 5^1\times {\mathrm{359561}}^1$

素因数の和:359574

約数の個数: 20

約数和(自身を含む): 66878532

約数和(自身を除く): 38113652

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 359561, 719122, 1438244, 1797805, 2876488, 3595610, 5752976, 7191220, 14382440, 28764880]

約数ペア:

[(1, 28764880), (2, 14382440), (4, 7191220), (5, 5752976), (8, 3595610), (10, 2876488), (16, 1797805), (20, 1438244), (40, 719122), (80, 359561)]