39871760

素因数分解:

$2^4\times 5^1\times {\mathrm{498397}}^1$

素因数の和:498410

約数の個数: 20

約数和(自身を含む): 92702028

約数和(自身を除く): 52830268

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 498397, 996794, 1993588, 2491985, 3987176, 4983970, 7974352, 9967940, 19935880, 39871760]

約数ペア:

[(1, 39871760), (2, 19935880), (4, 9967940), (5, 7974352), (8, 4983970), (10, 3987176), (16, 2491985), (20, 1993588), (40, 996794), (80, 498397)]