81983020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{585593}}^1$

素因数の和:585609

約数の個数: 24

約数和(自身を含む): 196759584

約数和(自身を除く): 114776564

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 585593, 1171186, 2342372, 2927965, 4099151, 5855930, 8198302, 11711860, 16396604, 20495755, 40991510, 81983020]

約数ペア:

[(1, 81983020), (2, 40991510), (4, 20495755), (5, 16396604), (7, 11711860), (10, 8198302), (14, 5855930), (20, 4099151), (28, 2927965), (35, 2342372), (70, 1171186), (140, 585593)]