202110320

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{1433}}^1$

素因数の和:1530

約数の個数: 80

約数和(自身を含む): 492905952

約数和(自身を除く): 290795632

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 43, 80, 82, 86, 164, 172, 205, 215, 328, 344, 410, 430, 656, 688, 820, 860, 1433, 1640, 1720, 1763, 2866, 3280, 3440, 3526, 5732, 7052, 7165, 8815, 11464, 14104, 14330, 17630, 22928, 28208, 28660, 35260, 57320, 58753, 61619, 70520, 114640, 117506, 123238, 141040, 235012, 246476, 293765, 308095, 470024, 492952, 587530, 616190, 940048, 985904, 1175060, 1232380, 2350120, 2464760, 2526379, 4700240, 4929520, 5052758, 10105516, 12631895, 20211032, 25263790, 40422064, 50527580, 101055160, 202110320]

約数ペア:

[(1, 202110320), (2, 101055160), (4, 50527580), (5, 40422064), (8, 25263790), (10, 20211032), (16, 12631895), (20, 10105516), (40, 5052758), (41, 4929520), (43, 4700240), (80, 2526379), (82, 2464760), (86, 2350120), (164, 1232380), (172, 1175060), (205, 985904), (215, 940048), (328, 616190), (344, 587530), (410, 492952), (430, 470024), (656, 308095), (688, 293765), (820, 246476), (860, 235012), (1433, 141040), (1640, 123238), (1720, 117506), (1763, 114640), (2866, 70520), (3280, 61619), (3440, 58753), (3526, 57320), (5732, 35260), (7052, 28660), (7165, 28208), (8815, 22928), (11464, 17630), (14104, 14330)]