1679240

素因数分解:

$2^3\times 5^1\times {\mathrm{41981}}^1$

素因数の和:41992

約数の個数: 16

約数和(自身を含む): 3778380

約数和(自身を除く): 2099140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41981, 83962, 167924, 209905, 335848, 419810, 839620, 1679240]

約数ペア:

[(1, 1679240), (2, 839620), (4, 419810), (5, 335848), (8, 209905), (10, 167924), (20, 83962), (40, 41981)]