805652660

素因数分解:

$2^2\times 5^1\times {\mathrm{1493}}^1\times {\mathrm{26981}}^1$

素因数の和:28483

約数の個数: 24

約数和(自身を含む): 1693066536

約数和(自身を除く): 887413876

約数列:

[1, 2, 4, 5, 10, 20, 1493, 2986, 5972, 7465, 14930, 26981, 29860, 53962, 107924, 134905, 269810, 539620, 40282633, 80565266, 161130532, 201413165, 402826330, 805652660]

約数ペア:

[(1, 805652660), (2, 402826330), (4, 201413165), (5, 161130532), (10, 80565266), (20, 40282633), (1493, 539620), (2986, 269810), (5972, 134905), (7465, 107924), (14930, 53962), (26981, 29860)]