81706120

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{88811}}^1$

素因数の和:88845

約数の個数: 32

約数和(自身を含む): 191833920

約数和(自身を除く): 110127800

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 920, 88811, 177622, 355244, 444055, 710488, 888110, 1776220, 2042653, 3552440, 4085306, 8170612, 10213265, 16341224, 20426530, 40853060, 81706120]

約数ペア:

[(1, 81706120), (2, 40853060), (4, 20426530), (5, 16341224), (8, 10213265), (10, 8170612), (20, 4085306), (23, 3552440), (40, 2042653), (46, 1776220), (92, 888110), (115, 710488), (184, 444055), (230, 355244), (460, 177622), (920, 88811)]