51523280

素因数分解:

$2^4\times 5^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{193}}^1$

素因数の和:324

約数の個数: 80

約数和(自身を含む): 124706304

約数和(自身を除く): 73183024

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 47, 71, 80, 94, 142, 188, 193, 235, 284, 355, 376, 386, 470, 568, 710, 752, 772, 940, 965, 1136, 1420, 1544, 1880, 1930, 2840, 3088, 3337, 3760, 3860, 5680, 6674, 7720, 9071, 13348, 13703, 15440, 16685, 18142, 26696, 27406, 33370, 36284, 45355, 53392, 54812, 66740, 68515, 72568, 90710, 109624, 133480, 137030, 145136, 181420, 219248, 266960, 274060, 362840, 548120, 644041, 725680, 1096240, 1288082, 2576164, 3220205, 5152328, 6440410, 10304656, 12880820, 25761640, 51523280]

約数ペア:

[(1, 51523280), (2, 25761640), (4, 12880820), (5, 10304656), (8, 6440410), (10, 5152328), (16, 3220205), (20, 2576164), (40, 1288082), (47, 1096240), (71, 725680), (80, 644041), (94, 548120), (142, 362840), (188, 274060), (193, 266960), (235, 219248), (284, 181420), (355, 145136), (376, 137030), (386, 133480), (470, 109624), (568, 90710), (710, 72568), (752, 68515), (772, 66740), (940, 54812), (965, 53392), (1136, 45355), (1420, 36284), (1544, 33370), (1880, 27406), (1930, 26696), (2840, 18142), (3088, 16685), (3337, 15440), (3760, 13703), (3860, 13348), (5680, 9071), (6674, 7720)]