79906640

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{90803}}^1$

素因数の和:90827

約数の個数: 40

約数和(自身を含む): 202674528

約数和(自身を除く): 122767888

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 90803, 181606, 363212, 454015, 726424, 908030, 998833, 1452848, 1816060, 1997666, 3632120, 3995332, 4994165, 7264240, 7990664, 9988330, 15981328, 19976660, 39953320, 79906640]

約数ペア:

[(1, 79906640), (2, 39953320), (4, 19976660), (5, 15981328), (8, 9988330), (10, 7990664), (11, 7264240), (16, 4994165), (20, 3995332), (22, 3632120), (40, 1997666), (44, 1816060), (55, 1452848), (80, 998833), (88, 908030), (110, 726424), (176, 454015), (220, 363212), (440, 181606), (880, 90803)]