20161434440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{251}}^1\times {\mathrm{286873}}^1$

素因数の和:287142

約数の個数: 64

約数和(自身を含む): 52050418560

約数和(自身を除く): 31888984120

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 251, 280, 502, 1004, 1255, 1757, 2008, 2510, 3514, 5020, 7028, 8785, 10040, 14056, 17570, 35140, 70280, 286873, 573746, 1147492, 1434365, 2008111, 2294984, 2868730, 4016222, 5737460, 8032444, 10040555, 11474920, 16064888, 20081110, 40162220, 72005123, 80324440, 144010246, 288020492, 360025615, 504035861, 576040984, 720051230, 1008071722, 1440102460, 2016143444, 2520179305, 2880204920, 4032286888, 5040358610, 10080717220, 20161434440]

約数ペア:

[(1, 20161434440), (2, 10080717220), (4, 5040358610), (5, 4032286888), (7, 2880204920), (8, 2520179305), (10, 2016143444), (14, 1440102460), (20, 1008071722), (28, 720051230), (35, 576040984), (40, 504035861), (56, 360025615), (70, 288020492), (140, 144010246), (251, 80324440), (280, 72005123), (502, 40162220), (1004, 20081110), (1255, 16064888), (1757, 11474920), (2008, 10040555), (2510, 8032444), (3514, 5737460), (5020, 4016222), (7028, 2868730), (8785, 2294984), (10040, 2008111), (14056, 1434365), (17570, 1147492), (35140, 573746), (70280, 286873)]