64746740

素因数分解:

$2^2\times 5^1\times {\mathrm{113}}^1\times {\mathrm{28649}}^1$

素因数の和:28771

約数の個数: 24

約数和(自身を含む): 137176200

約数和(自身を除く): 72429460

約数列:

[1, 2, 4, 5, 10, 20, 113, 226, 452, 565, 1130, 2260, 28649, 57298, 114596, 143245, 286490, 572980, 3237337, 6474674, 12949348, 16186685, 32373370, 64746740]

約数ペア:

[(1, 64746740), (2, 32373370), (4, 16186685), (5, 12949348), (10, 6474674), (20, 3237337), (113, 572980), (226, 286490), (452, 143245), (565, 114596), (1130, 57298), (2260, 28649)]