853840280

素因数分解:

$2^3\times 5^1\times {\mathrm{21346007}}^1$

素因数の和:21346018

約数の個数: 16

約数和(自身を含む): 1921140720

約数和(自身を除く): 1067300440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 21346007, 42692014, 85384028, 106730035, 170768056, 213460070, 426920140, 853840280]

約数ペア:

[(1, 853840280), (2, 426920140), (4, 213460070), (5, 170768056), (8, 106730035), (10, 85384028), (20, 42692014), (40, 21346007)]