80546816

素因数分解:

$2^{10}\times 7^1\times {\mathrm{17}}^1\times {\mathrm{661}}^1$

素因数の和:705

約数の個数: 88

約数和(自身を含む): 195136416

約数和(自身を除く): 114589600

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 32, 34, 56, 64, 68, 112, 119, 128, 136, 224, 238, 256, 272, 448, 476, 512, 544, 661, 896, 952, 1024, 1088, 1322, 1792, 1904, 2176, 2644, 3584, 3808, 4352, 4627, 5288, 7168, 7616, 8704, 9254, 10576, 11237, 15232, 17408, 18508, 21152, 22474, 30464, 37016, 42304, 44948, 60928, 74032, 78659, 84608, 89896, 121856, 148064, 157318, 169216, 179792, 296128, 314636, 338432, 359584, 592256, 629272, 676864, 719168, 1184512, 1258544, 1438336, 2369024, 2517088, 2876672, 4738048, 5034176, 5753344, 10068352, 11506688, 20136704, 40273408, 80546816]

約数ペア:

[(1, 80546816), (2, 40273408), (4, 20136704), (7, 11506688), (8, 10068352), (14, 5753344), (16, 5034176), (17, 4738048), (28, 2876672), (32, 2517088), (34, 2369024), (56, 1438336), (64, 1258544), (68, 1184512), (112, 719168), (119, 676864), (128, 629272), (136, 592256), (224, 359584), (238, 338432), (256, 314636), (272, 296128), (448, 179792), (476, 169216), (512, 157318), (544, 148064), (661, 121856), (896, 89896), (952, 84608), (1024, 78659), (1088, 74032), (1322, 60928), (1792, 44948), (1904, 42304), (2176, 37016), (2644, 30464), (3584, 22474), (3808, 21152), (4352, 18508), (4627, 17408), (5288, 15232), (7168, 11237), (7616, 10576), (8704, 9254)]