868880

素因数分解:

$2^4\times 5^1\times {\mathrm{10861}}^1$

素因数の和:10874

約数の個数: 20

約数和(自身を含む): 2020332

約数和(自身を除く): 1151452

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 10861, 21722, 43444, 54305, 86888, 108610, 173776, 217220, 434440, 868880]

約数ペア:

[(1, 868880), (2, 434440), (4, 217220), (5, 173776), (8, 108610), (10, 86888), (16, 54305), (20, 43444), (40, 21722), (80, 10861)]