81707120

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{92849}}^1$

素因数の和:92873

約数の個数: 40

約数和(自身を含む): 207241200

約数和(自身を除く): 125534080

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 92849, 185698, 371396, 464245, 742792, 928490, 1021339, 1485584, 1856980, 2042678, 3713960, 4085356, 5106695, 7427920, 8170712, 10213390, 16341424, 20426780, 40853560, 81707120]

約数ペア:

[(1, 81707120), (2, 40853560), (4, 20426780), (5, 16341424), (8, 10213390), (10, 8170712), (11, 7427920), (16, 5106695), (20, 4085356), (22, 3713960), (40, 2042678), (44, 1856980), (55, 1485584), (80, 1021339), (88, 928490), (110, 742792), (176, 464245), (220, 371396), (440, 185698), (880, 92849)]