208048760

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{126859}}^1$

素因数の和:126911

約数の個数: 32

約数和(自身を含む): 479530800

約数和(自身を除く): 271482040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 126859, 253718, 507436, 634295, 1014872, 1268590, 2537180, 5074360, 5201219, 10402438, 20804876, 26006095, 41609752, 52012190, 104024380, 208048760]

約数ペア:

[(1, 208048760), (2, 104024380), (4, 52012190), (5, 41609752), (8, 26006095), (10, 20804876), (20, 10402438), (40, 5201219), (41, 5074360), (82, 2537180), (164, 1268590), (205, 1014872), (328, 634295), (410, 507436), (820, 253718), (1640, 126859)]