20160648280

素因数分解:

$2^3\times 5^1\times {\mathrm{179}}^1\times {\mathrm{2815733}}^1$

素因数の和:2815923

約数の個数: 32

約数和(自身を含む): 45614890800

約数和(自身を除く): 25454242520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 179, 358, 716, 895, 1432, 1790, 3580, 7160, 2815733, 5631466, 11262932, 14078665, 22525864, 28157330, 56314660, 112629320, 504016207, 1008032414, 2016064828, 2520081035, 4032129656, 5040162070, 10080324140, 20160648280]

約数ペア:

[(1, 20160648280), (2, 10080324140), (4, 5040162070), (5, 4032129656), (8, 2520081035), (10, 2016064828), (20, 1008032414), (40, 504016207), (179, 112629320), (358, 56314660), (716, 28157330), (895, 22525864), (1432, 14078665), (1790, 11262932), (3580, 5631466), (7160, 2815733)]