77686640

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{42221}}^1$

素因数の和:42257

約数の個数: 40

約数和(自身を含む): 188479008

約数和(自身を除く): 110792368

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 92, 115, 184, 230, 368, 460, 920, 1840, 42221, 84442, 168884, 211105, 337768, 422210, 675536, 844420, 971083, 1688840, 1942166, 3377680, 3884332, 4855415, 7768664, 9710830, 15537328, 19421660, 38843320, 77686640]

約数ペア:

[(1, 77686640), (2, 38843320), (4, 19421660), (5, 15537328), (8, 9710830), (10, 7768664), (16, 4855415), (20, 3884332), (23, 3377680), (40, 1942166), (46, 1688840), (80, 971083), (92, 844420), (115, 675536), (184, 422210), (230, 337768), (368, 211105), (460, 168884), (920, 84442), (1840, 42221)]