13306727540

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{179}}^1\times {\mathrm{86441}}^1$

素因数の和:86672

約数の個数: 48

約数和(自身を含む): 28754066880

約数和(自身を除く): 15447339340

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 179, 215, 358, 430, 716, 860, 895, 1790, 3580, 7697, 15394, 30788, 38485, 76970, 86441, 153940, 172882, 345764, 432205, 864410, 1728820, 3716963, 7433926, 14867852, 15472939, 18584815, 30945878, 37169630, 61891756, 74339260, 77364695, 154729390, 309458780, 665336377, 1330672754, 2661345508, 3326681885, 6653363770, 13306727540]

約数ペア:

[(1, 13306727540), (2, 6653363770), (4, 3326681885), (5, 2661345508), (10, 1330672754), (20, 665336377), (43, 309458780), (86, 154729390), (172, 77364695), (179, 74339260), (215, 61891756), (358, 37169630), (430, 30945878), (716, 18584815), (860, 15472939), (895, 14867852), (1790, 7433926), (3580, 3716963), (7697, 1728820), (15394, 864410), (30788, 432205), (38485, 345764), (76970, 172882), (86441, 153940)]