81624160

素因数分解:

$2^5\times 5^1\times {\mathrm{101}}^1\times {\mathrm{5051}}^1$

素因数の和:5167

約数の個数: 48

約数和(自身を含む): 194784912

約数和(自身を除く): 113160752

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 101, 160, 202, 404, 505, 808, 1010, 1616, 2020, 3232, 4040, 5051, 8080, 10102, 16160, 20204, 25255, 40408, 50510, 80816, 101020, 161632, 202040, 404080, 510151, 808160, 1020302, 2040604, 2550755, 4081208, 5101510, 8162416, 10203020, 16324832, 20406040, 40812080, 81624160]

約数ペア:

[(1, 81624160), (2, 40812080), (4, 20406040), (5, 16324832), (8, 10203020), (10, 8162416), (16, 5101510), (20, 4081208), (32, 2550755), (40, 2040604), (80, 1020302), (101, 808160), (160, 510151), (202, 404080), (404, 202040), (505, 161632), (808, 101020), (1010, 80816), (1616, 50510), (2020, 40408), (3232, 25255), (4040, 20204), (5051, 16160), (8080, 10102)]