2054804560

素因数分解:

$2^4\times 5^1\times {\mathrm{197}}^1\times {\mathrm{241}}^1\times {\mathrm{541}}^1$

素因数の和:992

約数の個数: 80

約数和(自身を含む): 4830507792

約数和(自身を除く): 2775703232

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 197, 241, 394, 482, 541, 788, 964, 985, 1082, 1205, 1576, 1928, 1970, 2164, 2410, 2705, 3152, 3856, 3940, 4328, 4820, 5410, 7880, 8656, 9640, 10820, 15760, 19280, 21640, 43280, 47477, 94954, 106577, 130381, 189908, 213154, 237385, 260762, 379816, 426308, 474770, 521524, 532885, 651905, 759632, 852616, 949540, 1043048, 1065770, 1303810, 1705232, 1899080, 2086096, 2131540, 2607620, 3798160, 4263080, 5215240, 8526160, 10430480, 25685057, 51370114, 102740228, 128425285, 205480456, 256850570, 410960912, 513701140, 1027402280, 2054804560]

約数ペア:

[(1, 2054804560), (2, 1027402280), (4, 513701140), (5, 410960912), (8, 256850570), (10, 205480456), (16, 128425285), (20, 102740228), (40, 51370114), (80, 25685057), (197, 10430480), (241, 8526160), (394, 5215240), (482, 4263080), (541, 3798160), (788, 2607620), (964, 2131540), (985, 2086096), (1082, 1899080), (1205, 1705232), (1576, 1303810), (1928, 1065770), (1970, 1043048), (2164, 949540), (2410, 852616), (2705, 759632), (3152, 651905), (3856, 532885), (3940, 521524), (4328, 474770), (4820, 426308), (5410, 379816), (7880, 260762), (8656, 237385), (9640, 213154), (10820, 189908), (15760, 130381), (19280, 106577), (21640, 94954), (43280, 47477)]