858560240

素因数分解:

$2^4\times 5^1\times {\mathrm{10732003}}^1$

素因数の和:10732016

約数の個数: 20

約数和(自身を含む): 1996152744

約数和(自身を除く): 1137592504

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 10732003, 21464006, 42928012, 53660015, 85856024, 107320030, 171712048, 214640060, 429280120, 858560240]

約数ペア:

[(1, 858560240), (2, 429280120), (4, 214640060), (5, 171712048), (8, 107320030), (10, 85856024), (16, 53660015), (20, 42928012), (40, 21464006), (80, 10732003)]