90755720

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{206263}}^1$

素因数の和:206285

約数の個数: 32

約数和(自身を含む): 222765120

約数和(自身を除く): 132009400

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 206263, 412526, 825052, 1031315, 1650104, 2062630, 2268893, 4125260, 4537786, 8250520, 9075572, 11344465, 18151144, 22688930, 45377860, 90755720]

約数ペア:

[(1, 90755720), (2, 45377860), (4, 22688930), (5, 18151144), (8, 11344465), (10, 9075572), (11, 8250520), (20, 4537786), (22, 4125260), (40, 2268893), (44, 2062630), (55, 1650104), (88, 1031315), (110, 825052), (220, 412526), (440, 206263)]