201391340

素因数分解:

$2^2\times 5^1\times {\mathrm{1279}}^1\times {\mathrm{7873}}^1$

素因数の和:9161

約数の個数: 24

約数和(自身を含む): 423306240

約数和(自身を除く): 221914900

約数列:

[1, 2, 4, 5, 10, 20, 1279, 2558, 5116, 6395, 7873, 12790, 15746, 25580, 31492, 39365, 78730, 157460, 10069567, 20139134, 40278268, 50347835, 100695670, 201391340]

約数ペア:

[(1, 201391340), (2, 100695670), (4, 50347835), (5, 40278268), (10, 20139134), (20, 10069567), (1279, 157460), (2558, 78730), (5116, 39365), (6395, 31492), (7873, 25580), (12790, 15746)]