1621068640

素因数分解:

$2^5\times 5^1\times {\mathrm{127}}^1\times {\mathrm{79777}}^1$

素因数の和:79919

約数の個数: 48

約数和(自身を含む): 3859978752

約数和(自身を除く): 2238910112

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 127, 160, 254, 508, 635, 1016, 1270, 2032, 2540, 4064, 5080, 10160, 20320, 79777, 159554, 319108, 398885, 638216, 797770, 1276432, 1595540, 2552864, 3191080, 6382160, 10131679, 12764320, 20263358, 40526716, 50658395, 81053432, 101316790, 162106864, 202633580, 324213728, 405267160, 810534320, 1621068640]

約数ペア:

[(1, 1621068640), (2, 810534320), (4, 405267160), (5, 324213728), (8, 202633580), (10, 162106864), (16, 101316790), (20, 81053432), (32, 50658395), (40, 40526716), (80, 20263358), (127, 12764320), (160, 10131679), (254, 6382160), (508, 3191080), (635, 2552864), (1016, 1595540), (1270, 1276432), (2032, 797770), (2540, 638216), (4064, 398885), (5080, 319108), (10160, 159554), (20320, 79777)]