90139580

素因数分解:

$2^2\times 5^1\times {\mathrm{1033}}^1\times {\mathrm{4363}}^1$

素因数の和:5405

約数の個数: 24

約数和(自身を含む): 189519792

約数和(自身を除く): 99380212

約数列:

[1, 2, 4, 5, 10, 20, 1033, 2066, 4132, 4363, 5165, 8726, 10330, 17452, 20660, 21815, 43630, 87260, 4506979, 9013958, 18027916, 22534895, 45069790, 90139580]

約数ペア:

[(1, 90139580), (2, 45069790), (4, 22534895), (5, 18027916), (10, 9013958), (20, 4506979), (1033, 87260), (2066, 43630), (4132, 21815), (4363, 20660), (5165, 17452), (8726, 10330)]