80427160

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{182789}}^1$

素因数の和:182811

約数の個数: 32

約数和(自身を含む): 197413200

約数和(自身を除く): 116986040

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 182789, 365578, 731156, 913945, 1462312, 1827890, 2010679, 3655780, 4021358, 7311560, 8042716, 10053395, 16085432, 20106790, 40213580, 80427160]

約数ペア:

[(1, 80427160), (2, 40213580), (4, 20106790), (5, 16085432), (8, 10053395), (10, 8042716), (11, 7311560), (20, 4021358), (22, 3655780), (40, 2010679), (44, 1827890), (55, 1462312), (88, 913945), (110, 731156), (220, 365578), (440, 182789)]