83868880

素因数分解:

$2^4\times 5^1\times {\mathrm{1048361}}^1$

素因数の和:1048374

約数の個数: 20

約数和(自身を含む): 194995332

約数和(自身を除く): 111126452

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1048361, 2096722, 4193444, 5241805, 8386888, 10483610, 16773776, 20967220, 41934440, 83868880]

約数ペア:

[(1, 83868880), (2, 41934440), (4, 20967220), (5, 16773776), (8, 10483610), (10, 8386888), (16, 5241805), (20, 4193444), (40, 2096722), (80, 1048361)]