71550040

素因数分解:

$2^3\times 5^1\times {\mathrm{487}}^1\times {\mathrm{3673}}^1$

素因数の和:4171

約数の個数: 32

約数和(自身を含む): 161362080

約数和(自身を除く): 89812040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 487, 974, 1948, 2435, 3673, 3896, 4870, 7346, 9740, 14692, 18365, 19480, 29384, 36730, 73460, 146920, 1788751, 3577502, 7155004, 8943755, 14310008, 17887510, 35775020, 71550040]

約数ペア:

[(1, 71550040), (2, 35775020), (4, 17887510), (5, 14310008), (8, 8943755), (10, 7155004), (20, 3577502), (40, 1788751), (487, 146920), (974, 73460), (1948, 36730), (2435, 29384), (3673, 19480), (3896, 18365), (4870, 14692), (7346, 9740)]