81156770

素因数分解:

$2^1\times 5^1\times {\mathrm{811}}^1\times {\mathrm{10007}}^1$

素因数の和:10825

約数の個数: 16

約数和(自身を含む): 146276928

約数和(自身を除く): 65120158

約数列:

[1, 2, 5, 10, 811, 1622, 4055, 8110, 10007, 20014, 50035, 100070, 8115677, 16231354, 40578385, 81156770]

約数ペア:

[(1, 81156770), (2, 40578385), (5, 16231354), (10, 8115677), (811, 100070), (1622, 50035), (4055, 20014), (8110, 10007)]