39394480

素因数分解:

$2^4\times 5^1\times {\mathrm{492431}}^1$

素因数の和:492444

約数の個数: 20

約数和(自身を含む): 91592352

約数和(自身を除く): 52197872

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 492431, 984862, 1969724, 2462155, 3939448, 4924310, 7878896, 9848620, 19697240, 39394480]

約数ペア:

[(1, 39394480), (2, 19697240), (4, 9848620), (5, 7878896), (8, 4924310), (10, 3939448), (16, 2462155), (20, 1969724), (40, 984862), (80, 492431)]