200540920

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{241}}^1\times {\mathrm{293}}^1$

素因数の和:616

約数の個数: 64

約数和(自身を含む): 461039040

約数和(自身を除く): 260498120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 241, 284, 293, 355, 482, 568, 586, 710, 964, 1172, 1205, 1420, 1465, 1928, 2344, 2410, 2840, 2930, 4820, 5860, 9640, 11720, 17111, 20803, 34222, 41606, 68444, 70613, 83212, 85555, 104015, 136888, 141226, 166424, 171110, 208030, 282452, 342220, 353065, 416060, 564904, 684440, 706130, 832120, 1412260, 2824520, 5013523, 10027046, 20054092, 25067615, 40108184, 50135230, 100270460, 200540920]

約数ペア:

[(1, 200540920), (2, 100270460), (4, 50135230), (5, 40108184), (8, 25067615), (10, 20054092), (20, 10027046), (40, 5013523), (71, 2824520), (142, 1412260), (241, 832120), (284, 706130), (293, 684440), (355, 564904), (482, 416060), (568, 353065), (586, 342220), (710, 282452), (964, 208030), (1172, 171110), (1205, 166424), (1420, 141226), (1465, 136888), (1928, 104015), (2344, 85555), (2410, 83212), (2840, 70613), (2930, 68444), (4820, 41606), (5860, 34222), (9640, 20803), (11720, 17111)]