81066040

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{184241}}^1$

素因数の和:184263

約数の個数: 32

約数和(自身を含む): 198981360

約数和(自身を除く): 117915320

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 184241, 368482, 736964, 921205, 1473928, 1842410, 2026651, 3684820, 4053302, 7369640, 8106604, 10133255, 16213208, 20266510, 40533020, 81066040]

約数ペア:

[(1, 81066040), (2, 40533020), (4, 20266510), (5, 16213208), (8, 10133255), (10, 8106604), (11, 7369640), (20, 4053302), (22, 3684820), (40, 2026651), (44, 1842410), (55, 1473928), (88, 921205), (110, 736964), (220, 368482), (440, 184241)]