838830040

素因数分解:

$2^3\times 5^1\times {\mathrm{1423}}^1\times {\mathrm{14737}}^1$

素因数の和:16171

約数の個数: 32

約数和(自身を含む): 1888822080

約数和(自身を除く): 1049992040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1423, 2846, 5692, 7115, 11384, 14230, 14737, 28460, 29474, 56920, 58948, 73685, 117896, 147370, 294740, 589480, 20970751, 41941502, 83883004, 104853755, 167766008, 209707510, 419415020, 838830040]

約数ペア:

[(1, 838830040), (2, 419415020), (4, 209707510), (5, 167766008), (8, 104853755), (10, 83883004), (20, 41941502), (40, 20970751), (1423, 589480), (2846, 294740), (5692, 147370), (7115, 117896), (11384, 73685), (14230, 58948), (14737, 56920), (28460, 29474)]