64090660

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{257}}^1\times {\mathrm{337}}^1$

素因数の和:640

約数の個数: 48

約数和(自身を含む): 139177584

約数和(自身を除く): 75086924

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 148, 185, 257, 337, 370, 514, 674, 740, 1028, 1285, 1348, 1685, 2570, 3370, 5140, 6740, 9509, 12469, 19018, 24938, 38036, 47545, 49876, 62345, 86609, 95090, 124690, 173218, 190180, 249380, 346436, 433045, 866090, 1732180, 3204533, 6409066, 12818132, 16022665, 32045330, 64090660]

約数ペア:

[(1, 64090660), (2, 32045330), (4, 16022665), (5, 12818132), (10, 6409066), (20, 3204533), (37, 1732180), (74, 866090), (148, 433045), (185, 346436), (257, 249380), (337, 190180), (370, 173218), (514, 124690), (674, 95090), (740, 86609), (1028, 62345), (1285, 49876), (1348, 47545), (1685, 38036), (2570, 24938), (3370, 19018), (5140, 12469), (6740, 9509)]