87206680

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{198197}}^1$

素因数の和:198219

約数の個数: 32

約数和(自身を含む): 214053840

約数和(自身を除く): 126847160

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 198197, 396394, 792788, 990985, 1585576, 1981970, 2180167, 3963940, 4360334, 7927880, 8720668, 10900835, 17441336, 21801670, 43603340, 87206680]

約数ペア:

[(1, 87206680), (2, 43603340), (4, 21801670), (5, 17441336), (8, 10900835), (10, 8720668), (11, 7927880), (20, 4360334), (22, 3963940), (40, 2180167), (44, 1981970), (55, 1585576), (88, 990985), (110, 792788), (220, 396394), (440, 198197)]