80908688

素因数分解:

$2^4\times 7^1\times {\mathrm{19}}^1\times {\mathrm{193}}^1\times {\mathrm{197}}^1$

素因数の和:424

約数の個数: 80

約数和(自身を含む): 190523520

約数和(自身を除く): 109614832

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 38, 56, 76, 112, 133, 152, 193, 197, 266, 304, 386, 394, 532, 772, 788, 1064, 1351, 1379, 1544, 1576, 2128, 2702, 2758, 3088, 3152, 3667, 3743, 5404, 5516, 7334, 7486, 10808, 11032, 14668, 14972, 21616, 22064, 25669, 26201, 29336, 29944, 38021, 51338, 52402, 58672, 59888, 76042, 102676, 104804, 152084, 205352, 209608, 266147, 304168, 410704, 419216, 532294, 608336, 722399, 1064588, 1444798, 2129176, 2889596, 4258352, 5056793, 5779192, 10113586, 11558384, 20227172, 40454344, 80908688]

約数ペア:

[(1, 80908688), (2, 40454344), (4, 20227172), (7, 11558384), (8, 10113586), (14, 5779192), (16, 5056793), (19, 4258352), (28, 2889596), (38, 2129176), (56, 1444798), (76, 1064588), (112, 722399), (133, 608336), (152, 532294), (193, 419216), (197, 410704), (266, 304168), (304, 266147), (386, 209608), (394, 205352), (532, 152084), (772, 104804), (788, 102676), (1064, 76042), (1351, 59888), (1379, 58672), (1544, 52402), (1576, 51338), (2128, 38021), (2702, 29944), (2758, 29336), (3088, 26201), (3152, 25669), (3667, 22064), (3743, 21616), (5404, 14972), (5516, 14668), (7334, 11032), (7486, 10808)]