87162680

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{198097}}^1$

素因数の和:198119

約数の個数: 32

約数和(自身を含む): 213945840

約数和(自身を除く): 126783160

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 198097, 396194, 792388, 990485, 1584776, 1980970, 2179067, 3961940, 4358134, 7923880, 8716268, 10895335, 17432536, 21790670, 43581340, 87162680]

約数ペア:

[(1, 87162680), (2, 43581340), (4, 21790670), (5, 17432536), (8, 10895335), (10, 8716268), (11, 7923880), (20, 4358134), (22, 3961940), (40, 2179067), (44, 1980970), (55, 1584776), (88, 990485), (110, 792388), (220, 396194), (440, 198097)]