16559840

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{97}}^2$

素因数の和:220

約数の個数: 72

約数和(自身を含む): 43123752

約数和(自身を除く): 26563912

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 80, 88, 97, 110, 160, 176, 194, 220, 352, 388, 440, 485, 776, 880, 970, 1067, 1552, 1760, 1940, 2134, 3104, 3880, 4268, 5335, 7760, 8536, 9409, 10670, 15520, 17072, 18818, 21340, 34144, 37636, 42680, 47045, 75272, 85360, 94090, 103499, 150544, 170720, 188180, 206998, 301088, 376360, 413996, 517495, 752720, 827992, 1034990, 1505440, 1655984, 2069980, 3311968, 4139960, 8279920, 16559840]

約数ペア:

[(1, 16559840), (2, 8279920), (4, 4139960), (5, 3311968), (8, 2069980), (10, 1655984), (11, 1505440), (16, 1034990), (20, 827992), (22, 752720), (32, 517495), (40, 413996), (44, 376360), (55, 301088), (80, 206998), (88, 188180), (97, 170720), (110, 150544), (160, 103499), (176, 94090), (194, 85360), (220, 75272), (352, 47045), (388, 42680), (440, 37636), (485, 34144), (776, 21340), (880, 18818), (970, 17072), (1067, 15520), (1552, 10670), (1760, 9409), (1940, 8536), (2134, 7760), (3104, 5335), (3880, 4268)]