8816720

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{233}}^1$

素因数の和:300

約数の個数: 80

約数和(自身を含む): 22980672

約数和(自身を除く): 14163952

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 43, 44, 55, 80, 86, 88, 110, 172, 176, 215, 220, 233, 344, 430, 440, 466, 473, 688, 860, 880, 932, 946, 1165, 1720, 1864, 1892, 2330, 2365, 2563, 3440, 3728, 3784, 4660, 4730, 5126, 7568, 9320, 9460, 10019, 10252, 12815, 18640, 18920, 20038, 20504, 25630, 37840, 40076, 41008, 50095, 51260, 80152, 100190, 102520, 110209, 160304, 200380, 205040, 220418, 400760, 440836, 551045, 801520, 881672, 1102090, 1763344, 2204180, 4408360, 8816720]

約数ペア:

[(1, 8816720), (2, 4408360), (4, 2204180), (5, 1763344), (8, 1102090), (10, 881672), (11, 801520), (16, 551045), (20, 440836), (22, 400760), (40, 220418), (43, 205040), (44, 200380), (55, 160304), (80, 110209), (86, 102520), (88, 100190), (110, 80152), (172, 51260), (176, 50095), (215, 41008), (220, 40076), (233, 37840), (344, 25630), (430, 20504), (440, 20038), (466, 18920), (473, 18640), (688, 12815), (860, 10252), (880, 10019), (932, 9460), (946, 9320), (1165, 7568), (1720, 5126), (1864, 4730), (1892, 4660), (2330, 3784), (2365, 3728), (2563, 3440)]