84778160

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{25847}}^1$

素因数の和:25901

約数の個数: 40

約数和(自身を含む): 201924576

約数和(自身を除く): 117146416

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 410, 656, 820, 1640, 3280, 25847, 51694, 103388, 129235, 206776, 258470, 413552, 516940, 1033880, 1059727, 2067760, 2119454, 4238908, 5298635, 8477816, 10597270, 16955632, 21194540, 42389080, 84778160]

約数ペア:

[(1, 84778160), (2, 42389080), (4, 21194540), (5, 16955632), (8, 10597270), (10, 8477816), (16, 5298635), (20, 4238908), (40, 2119454), (41, 2067760), (80, 1059727), (82, 1033880), (164, 516940), (205, 413552), (328, 258470), (410, 206776), (656, 129235), (820, 103388), (1640, 51694), (3280, 25847)]