55541620

素因数分解:

$2^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{19979}}^1$

素因数の和:20127

約数の個数: 24

約数和(自身を含む): 117482400

約数和(自身を除く): 61940780

約数列:

[1, 2, 4, 5, 10, 20, 139, 278, 556, 695, 1390, 2780, 19979, 39958, 79916, 99895, 199790, 399580, 2777081, 5554162, 11108324, 13885405, 27770810, 55541620]

約数ペア:

[(1, 55541620), (2, 27770810), (4, 13885405), (5, 11108324), (10, 5554162), (20, 2777081), (139, 399580), (278, 199790), (556, 99895), (695, 79916), (1390, 39958), (2780, 19979)]