65928140

素因数分解:

$2^2\times 5^1\times {\mathrm{661}}^1\times {\mathrm{4987}}^1$

素因数の和:5657

約数の個数: 24

約数和(自身を含む): 138686352

約数和(自身を除く): 72758212

約数列:

[1, 2, 4, 5, 10, 20, 661, 1322, 2644, 3305, 4987, 6610, 9974, 13220, 19948, 24935, 49870, 99740, 3296407, 6592814, 13185628, 16482035, 32964070, 65928140]

約数ペア:

[(1, 65928140), (2, 32964070), (4, 16482035), (5, 13185628), (10, 6592814), (20, 3296407), (661, 99740), (1322, 49870), (2644, 24935), (3305, 19948), (4987, 13220), (6610, 9974)]