165427880

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{96179}}^1$

素因数の和:96233

約数の個数: 32

約数和(自身を含む): 380872800

約数和(自身を除く): 215444920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 96179, 192358, 384716, 480895, 769432, 961790, 1923580, 3847160, 4135697, 8271394, 16542788, 20678485, 33085576, 41356970, 82713940, 165427880]

約数ペア:

[(1, 165427880), (2, 82713940), (4, 41356970), (5, 33085576), (8, 20678485), (10, 16542788), (20, 8271394), (40, 4135697), (43, 3847160), (86, 1923580), (172, 961790), (215, 769432), (344, 480895), (430, 384716), (860, 192358), (1720, 96179)]