51026128520

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{1777}}^1\times {\mathrm{17509}}^1$

素因数の和:19338

約数の個数: 64

約数和(自身を含む): 117681908400

約数和(自身を除く): 66655779880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 1777, 3554, 7108, 8885, 14216, 17509, 17770, 35018, 35540, 70036, 71080, 72857, 87545, 140072, 145714, 175090, 291428, 350180, 364285, 582856, 700360, 717869, 728570, 1435738, 1457140, 2871476, 2914280, 3589345, 5742952, 7178690, 14357380, 28714760, 31113493, 62226986, 124453972, 155567465, 248907944, 311134930, 622269860, 1244539720, 1275653213, 2551306426, 5102612852, 6378266065, 10205225704, 12756532130, 25513064260, 51026128520]

約数ペア:

[(1, 51026128520), (2, 25513064260), (4, 12756532130), (5, 10205225704), (8, 6378266065), (10, 5102612852), (20, 2551306426), (40, 1275653213), (41, 1244539720), (82, 622269860), (164, 311134930), (205, 248907944), (328, 155567465), (410, 124453972), (820, 62226986), (1640, 31113493), (1777, 28714760), (3554, 14357380), (7108, 7178690), (8885, 5742952), (14216, 3589345), (17509, 2914280), (17770, 2871476), (35018, 1457140), (35540, 1435738), (70036, 728570), (71080, 717869), (72857, 700360), (87545, 582856), (140072, 364285), (145714, 350180), (175090, 291428)]