84228920

素因数分解:

$2^3\times 5^1\times {\mathrm{1181}}^1\times {\mathrm{1783}}^1$

素因数の和:2975

約数の個数: 32

約数和(自身を含む): 189781920

約数和(自身を除く): 105553000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1181, 1783, 2362, 3566, 4724, 5905, 7132, 8915, 9448, 11810, 14264, 17830, 23620, 35660, 47240, 71320, 2105723, 4211446, 8422892, 10528615, 16845784, 21057230, 42114460, 84228920]

約数ペア:

[(1, 84228920), (2, 42114460), (4, 21057230), (5, 16845784), (8, 10528615), (10, 8422892), (20, 4211446), (40, 2105723), (1181, 71320), (1783, 47240), (2362, 35660), (3566, 23620), (4724, 17830), (5905, 14264), (7132, 11810), (8915, 9448)]