12318680

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{27997}}^1$

素因数の和:28019

約数の個数: 32

約数和(自身を含む): 30237840

約数和(自身を除く): 17919160

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 27997, 55994, 111988, 139985, 223976, 279970, 307967, 559940, 615934, 1119880, 1231868, 1539835, 2463736, 3079670, 6159340, 12318680]

約数ペア:

[(1, 12318680), (2, 6159340), (4, 3079670), (5, 2463736), (8, 1539835), (10, 1231868), (11, 1119880), (20, 615934), (22, 559940), (40, 307967), (44, 279970), (55, 223976), (88, 139985), (110, 111988), (220, 55994), (440, 27997)]