16942480

素因数分解:

$2^4\times 5^1\times {\mathrm{211781}}^1$

素因数の和:211794

約数の個数: 20

約数和(自身を含む): 39391452

約数和(自身を除く): 22448972

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 211781, 423562, 847124, 1058905, 1694248, 2117810, 3388496, 4235620, 8471240, 16942480]

約数ペア:

[(1, 16942480), (2, 8471240), (4, 4235620), (5, 3388496), (8, 2117810), (10, 1694248), (16, 1058905), (20, 847124), (40, 423562), (80, 211781)]