71137580

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{122651}}^1$

素因数の和:122689

約数の個数: 24

約数和(自身を含む): 154541520

約数和(自身を除く): 83403940

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 122651, 245302, 490604, 613255, 1226510, 2453020, 3556879, 7113758, 14227516, 17784395, 35568790, 71137580]

約数ペア:

[(1, 71137580), (2, 35568790), (4, 17784395), (5, 14227516), (10, 7113758), (20, 3556879), (29, 2453020), (58, 1226510), (116, 613255), (145, 490604), (290, 245302), (580, 122651)]