55397060

素因数分解:

$2^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{19927}}^1$

素因数の和:20075

約数の個数: 24

約数和(自身を含む): 117176640

約数和(自身を除く): 61779580

約数列:

[1, 2, 4, 5, 10, 20, 139, 278, 556, 695, 1390, 2780, 19927, 39854, 79708, 99635, 199270, 398540, 2769853, 5539706, 11079412, 13849265, 27698530, 55397060]

約数ペア:

[(1, 55397060), (2, 27698530), (4, 13849265), (5, 11079412), (10, 5539706), (20, 2769853), (139, 398540), (278, 199270), (556, 99635), (695, 79708), (1390, 39854), (2780, 19927)]