84221720

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{191413}}^1$

素因数の和:191435

約数の個数: 32

約数和(自身を含む): 206727120

約数和(自身を除く): 122505400

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 191413, 382826, 765652, 957065, 1531304, 1914130, 2105543, 3828260, 4211086, 7656520, 8422172, 10527715, 16844344, 21055430, 42110860, 84221720]

約数ペア:

[(1, 84221720), (2, 42110860), (4, 21055430), (5, 16844344), (8, 10527715), (10, 8422172), (11, 7656520), (20, 4211086), (22, 3828260), (40, 2105543), (44, 1914130), (55, 1531304), (88, 957065), (110, 765652), (220, 382826), (440, 191413)]