55440080

素因数分解:

$2^4\times 5^1\times {\mathrm{487}}^1\times {\mathrm{1423}}^1$

素因数の和:1923

約数の個数: 40

約数和(自身を含む): 129253632

約数和(自身を除く): 73813552

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 487, 974, 1423, 1948, 2435, 2846, 3896, 4870, 5692, 7115, 7792, 9740, 11384, 14230, 19480, 22768, 28460, 38960, 56920, 113840, 693001, 1386002, 2772004, 3465005, 5544008, 6930010, 11088016, 13860020, 27720040, 55440080]

約数ペア:

[(1, 55440080), (2, 27720040), (4, 13860020), (5, 11088016), (8, 6930010), (10, 5544008), (16, 3465005), (20, 2772004), (40, 1386002), (80, 693001), (487, 113840), (974, 56920), (1423, 38960), (1948, 28460), (2435, 22768), (2846, 19480), (3896, 14230), (4870, 11384), (5692, 9740), (7115, 7792)]