65620640

素因数分解:

$2^5\times 5^1\times {\mathrm{337}}^1\times {\mathrm{1217}}^1$

素因数の和:1569

約数の個数: 48

約数和(自身を含む): 155616552

約数和(自身を除く): 89995912

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 337, 674, 1217, 1348, 1685, 2434, 2696, 3370, 4868, 5392, 6085, 6740, 9736, 10784, 12170, 13480, 19472, 24340, 26960, 38944, 48680, 53920, 97360, 194720, 410129, 820258, 1640516, 2050645, 3281032, 4101290, 6562064, 8202580, 13124128, 16405160, 32810320, 65620640]

約数ペア:

[(1, 65620640), (2, 32810320), (4, 16405160), (5, 13124128), (8, 8202580), (10, 6562064), (16, 4101290), (20, 3281032), (32, 2050645), (40, 1640516), (80, 820258), (160, 410129), (337, 194720), (674, 97360), (1217, 53920), (1348, 48680), (1685, 38944), (2434, 26960), (2696, 24340), (3370, 19472), (4868, 13480), (5392, 12170), (6085, 10784), (6740, 9736)]