51284720

素因数分解:

$2^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{9029}}^1$

素因数の和:9113

約数の個数: 40

約数和(自身を含む): 120929760

約数和(自身を除く): 69645040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 71, 80, 142, 284, 355, 568, 710, 1136, 1420, 2840, 5680, 9029, 18058, 36116, 45145, 72232, 90290, 144464, 180580, 361160, 641059, 722320, 1282118, 2564236, 3205295, 5128472, 6410590, 10256944, 12821180, 25642360, 51284720]

約数ペア:

[(1, 51284720), (2, 25642360), (4, 12821180), (5, 10256944), (8, 6410590), (10, 5128472), (16, 3205295), (20, 2564236), (40, 1282118), (71, 722320), (80, 641059), (142, 361160), (284, 180580), (355, 144464), (568, 90290), (710, 72232), (1136, 45145), (1420, 36116), (2840, 18058), (5680, 9029)]