20161434400

素因数分解:

$2^5\times 5^2\times {\mathrm{1009}}^1\times {\mathrm{24977}}^1$

素因数の和:26006

約数の個数: 72

約数和(自身を含む): 49269854340

約数和(自身を除く): 29108419940

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 160, 200, 400, 800, 1009, 2018, 4036, 5045, 8072, 10090, 16144, 20180, 24977, 25225, 32288, 40360, 49954, 50450, 80720, 99908, 100900, 124885, 161440, 199816, 201800, 249770, 399632, 403600, 499540, 624425, 799264, 807200, 999080, 1248850, 1998160, 2497700, 3996320, 4995400, 9990800, 19981600, 25201793, 50403586, 100807172, 126008965, 201614344, 252017930, 403228688, 504035860, 630044825, 806457376, 1008071720, 1260089650, 2016143440, 2520179300, 4032286880, 5040358600, 10080717200, 20161434400]

約数ペア:

[(1, 20161434400), (2, 10080717200), (4, 5040358600), (5, 4032286880), (8, 2520179300), (10, 2016143440), (16, 1260089650), (20, 1008071720), (25, 806457376), (32, 630044825), (40, 504035860), (50, 403228688), (80, 252017930), (100, 201614344), (160, 126008965), (200, 100807172), (400, 50403586), (800, 25201793), (1009, 19981600), (2018, 9990800), (4036, 4995400), (5045, 3996320), (8072, 2497700), (10090, 1998160), (16144, 1248850), (20180, 999080), (24977, 807200), (25225, 799264), (32288, 624425), (40360, 499540), (49954, 403600), (50450, 399632), (80720, 249770), (99908, 201800), (100900, 199816), (124885, 161440)]