8401340

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{9769}}^1$

素因数の和:9821

約数の個数: 24

約数和(自身を含む): 18054960

約数和(自身を除く): 9653620

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 9769, 19538, 39076, 48845, 97690, 195380, 420067, 840134, 1680268, 2100335, 4200670, 8401340]

約数ペア:

[(1, 8401340), (2, 4200670), (4, 2100335), (5, 1680268), (10, 840134), (20, 420067), (43, 195380), (86, 97690), (172, 48845), (215, 39076), (430, 19538), (860, 9769)]