39785320

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{23131}}^1$

素因数の和:23185

約数の個数: 32

約数和(自身を含む): 91602720

約数和(自身を除く): 51817400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 23131, 46262, 92524, 115655, 185048, 231310, 462620, 925240, 994633, 1989266, 3978532, 4973165, 7957064, 9946330, 19892660, 39785320]

約数ペア:

[(1, 39785320), (2, 19892660), (4, 9946330), (5, 7957064), (8, 4973165), (10, 3978532), (20, 1989266), (40, 994633), (43, 925240), (86, 462620), (172, 231310), (215, 185048), (344, 115655), (430, 92524), (860, 46262), (1720, 23131)]