86895280

素因数分解:

$2^4\times 5^1\times {\mathrm{1086191}}^1$

素因数の和:1086204

約数の個数: 20

約数和(自身を含む): 202031712

約数和(自身を除く): 115136432

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1086191, 2172382, 4344764, 5430955, 8689528, 10861910, 17379056, 21723820, 43447640, 86895280]

約数ペア:

[(1, 86895280), (2, 43447640), (4, 21723820), (5, 17379056), (8, 10861910), (10, 8689528), (16, 5430955), (20, 4344764), (40, 2172382), (80, 1086191)]