12740370040

素因数分解:

$2^3\times 5^1\times {\mathrm{193}}^1\times {\mathrm{199}}^1\times {\mathrm{8293}}^1$

素因数の和:8696

約数の個数: 64

約数和(自身を含む): 28962648000

約数和(自身を除く): 16222277960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 193, 199, 386, 398, 772, 796, 965, 995, 1544, 1592, 1930, 1990, 3860, 3980, 7720, 7960, 8293, 16586, 33172, 38407, 41465, 66344, 76814, 82930, 153628, 165860, 192035, 307256, 331720, 384070, 768140, 1536280, 1600549, 1650307, 3201098, 3300614, 6402196, 6601228, 8002745, 8251535, 12804392, 13202456, 16005490, 16503070, 32010980, 33006140, 64021960, 66012280, 318509251, 637018502, 1274037004, 1592546255, 2548074008, 3185092510, 6370185020, 12740370040]

約数ペア:

[(1, 12740370040), (2, 6370185020), (4, 3185092510), (5, 2548074008), (8, 1592546255), (10, 1274037004), (20, 637018502), (40, 318509251), (193, 66012280), (199, 64021960), (386, 33006140), (398, 32010980), (772, 16503070), (796, 16005490), (965, 13202456), (995, 12804392), (1544, 8251535), (1592, 8002745), (1930, 6601228), (1990, 6402196), (3860, 3300614), (3980, 3201098), (7720, 1650307), (7960, 1600549), (8293, 1536280), (16586, 768140), (33172, 384070), (38407, 331720), (41465, 307256), (66344, 192035), (76814, 165860), (82930, 153628)]