27811520

素因数分解:

$2^6\times 5^1\times {\mathrm{11}}^1\times {\mathrm{7901}}^1$

素因数の和:7929

約数の個数: 56

約数和(自身を含む): 72255888

約数和(自身を除く): 44444368

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 160, 176, 220, 320, 352, 440, 704, 880, 1760, 3520, 7901, 15802, 31604, 39505, 63208, 79010, 86911, 126416, 158020, 173822, 252832, 316040, 347644, 434555, 505664, 632080, 695288, 869110, 1264160, 1390576, 1738220, 2528320, 2781152, 3476440, 5562304, 6952880, 13905760, 27811520]

約数ペア:

[(1, 27811520), (2, 13905760), (4, 6952880), (5, 5562304), (8, 3476440), (10, 2781152), (11, 2528320), (16, 1738220), (20, 1390576), (22, 1264160), (32, 869110), (40, 695288), (44, 632080), (55, 505664), (64, 434555), (80, 347644), (88, 316040), (110, 252832), (160, 173822), (176, 158020), (220, 126416), (320, 86911), (352, 79010), (440, 63208), (704, 39505), (880, 31604), (1760, 15802), (3520, 7901)]