85831220

素因数分解:

$2^2\times 5^1\times {\mathrm{277}}^1\times {\mathrm{15493}}^1$

素因数の和:15779

約数の個数: 24

約数和(自身を含む): 180907944

約数和(自身を除く): 95076724

約数列:

[1, 2, 4, 5, 10, 20, 277, 554, 1108, 1385, 2770, 5540, 15493, 30986, 61972, 77465, 154930, 309860, 4291561, 8583122, 17166244, 21457805, 42915610, 85831220]

約数ペア:

[(1, 85831220), (2, 42915610), (4, 21457805), (5, 17166244), (10, 8583122), (20, 4291561), (277, 309860), (554, 154930), (1108, 77465), (1385, 61972), (2770, 30986), (5540, 15493)]