80398270

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{6661}}^1$

素因数の和:6756

約数の個数: 32

約数和(自身を含む): 155411136

約数和(自身を除く): 75012866

約数列:

[1, 2, 5, 10, 17, 34, 71, 85, 142, 170, 355, 710, 1207, 2414, 6035, 6661, 12070, 13322, 33305, 66610, 113237, 226474, 472931, 566185, 945862, 1132370, 2364655, 4729310, 8039827, 16079654, 40199135, 80398270]

約数ペア:

[(1, 80398270), (2, 40199135), (5, 16079654), (10, 8039827), (17, 4729310), (34, 2364655), (71, 1132370), (85, 945862), (142, 566185), (170, 472931), (355, 226474), (710, 113237), (1207, 66610), (2414, 33305), (6035, 13322), (6661, 12070)]