839511760

素因数分解:

$2^4\times 5^1\times {\mathrm{10493897}}^1$

素因数の和:10493910

約数の個数: 20

約数和(自身を含む): 1951865028

約数和(自身を除く): 1112353268

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 10493897, 20987794, 41975588, 52469485, 83951176, 104938970, 167902352, 209877940, 419755880, 839511760]

約数ペア:

[(1, 839511760), (2, 419755880), (4, 209877940), (5, 167902352), (8, 104938970), (10, 83951176), (16, 52469485), (20, 41975588), (40, 20987794), (80, 10493897)]