16351420

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^2\times {\mathrm{131}}^1$

素因数の和:298

約数の個数: 36

約数和(自身を含む): 35043624

約数和(自身を除く): 18692204

約数列:

[1, 2, 4, 5, 10, 20, 79, 131, 158, 262, 316, 395, 524, 655, 790, 1310, 1580, 2620, 6241, 10349, 12482, 20698, 24964, 31205, 41396, 51745, 62410, 103490, 124820, 206980, 817571, 1635142, 3270284, 4087855, 8175710, 16351420]

約数ペア:

[(1, 16351420), (2, 8175710), (4, 4087855), (5, 3270284), (10, 1635142), (20, 817571), (79, 206980), (131, 124820), (158, 103490), (262, 62410), (316, 51745), (395, 41396), (524, 31205), (655, 24964), (790, 20698), (1310, 12482), (1580, 10349), (2620, 6241)]