4042120

素因数分解:

$2^3\times 5^1\times {\mathrm{139}}^1\times {\mathrm{727}}^1$

素因数の和:877

約数の個数: 32

約数和(自身を含む): 9172800

約数和(自身を除く): 5130680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 139, 278, 556, 695, 727, 1112, 1390, 1454, 2780, 2908, 3635, 5560, 5816, 7270, 14540, 29080, 101053, 202106, 404212, 505265, 808424, 1010530, 2021060, 4042120]

約数ペア:

[(1, 4042120), (2, 2021060), (4, 1010530), (5, 808424), (8, 505265), (10, 404212), (20, 202106), (40, 101053), (139, 29080), (278, 14540), (556, 7270), (695, 5816), (727, 5560), (1112, 3635), (1390, 2908), (1454, 2780)]