1320306340

素因数分解:

$2^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{653617}}^1$

素因数の和:653727

約数の個数: 24

約数和(自身を含む): 2800099512

約数和(自身を除く): 1479793172

約数列:

[1, 2, 4, 5, 10, 20, 101, 202, 404, 505, 1010, 2020, 653617, 1307234, 2614468, 3268085, 6536170, 13072340, 66015317, 132030634, 264061268, 330076585, 660153170, 1320306340]

約数ペア:

[(1, 1320306340), (2, 660153170), (4, 330076585), (5, 264061268), (10, 132030634), (20, 66015317), (101, 13072340), (202, 6536170), (404, 3268085), (505, 2614468), (1010, 1307234), (2020, 653617)]