16982480

素因数分解:

$2^4\times 5^1\times {\mathrm{212281}}^1$

素因数の和:212294

約数の個数: 20

約数和(自身を含む): 39484452

約数和(自身を除く): 22501972

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 212281, 424562, 849124, 1061405, 1698248, 2122810, 3396496, 4245620, 8491240, 16982480]

約数ペア:

[(1, 16982480), (2, 8491240), (4, 4245620), (5, 3396496), (8, 2122810), (10, 1698248), (16, 1061405), (20, 849124), (40, 424562), (80, 212281)]