71320360

素因数分解:

$2^3\times 5^1\times {\mathrm{1783009}}^1$

素因数の和:1783020

約数の個数: 16

約数和(自身を含む): 160470900

約数和(自身を除く): 89150540

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1783009, 3566018, 7132036, 8915045, 14264072, 17830090, 35660180, 71320360]

約数ペア:

[(1, 71320360), (2, 35660180), (4, 17830090), (5, 14264072), (8, 8915045), (10, 7132036), (20, 3566018), (40, 1783009)]