81444064

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{157}}^1$

素因数の和:252

約数の個数: 96

約数和(自身を含む): 183949920

約数和(自身を除く): 102505856

約数列:

[1, 2, 4, 8, 13, 16, 26, 29, 32, 43, 52, 58, 86, 104, 116, 157, 172, 208, 232, 314, 344, 377, 416, 464, 559, 628, 688, 754, 928, 1118, 1247, 1256, 1376, 1508, 2041, 2236, 2494, 2512, 3016, 4082, 4472, 4553, 4988, 5024, 6032, 6751, 8164, 8944, 9106, 9976, 12064, 13502, 16211, 16328, 17888, 18212, 19952, 27004, 32422, 32656, 36424, 39904, 54008, 59189, 64844, 65312, 72848, 87763, 108016, 118378, 129688, 145696, 175526, 195779, 216032, 236756, 259376, 351052, 391558, 473512, 518752, 702104, 783116, 947024, 1404208, 1566232, 1894048, 2545127, 2808416, 3132464, 5090254, 6264928, 10180508, 20361016, 40722032, 81444064]

約数ペア:

[(1, 81444064), (2, 40722032), (4, 20361016), (8, 10180508), (13, 6264928), (16, 5090254), (26, 3132464), (29, 2808416), (32, 2545127), (43, 1894048), (52, 1566232), (58, 1404208), (86, 947024), (104, 783116), (116, 702104), (157, 518752), (172, 473512), (208, 391558), (232, 351052), (314, 259376), (344, 236756), (377, 216032), (416, 195779), (464, 175526), (559, 145696), (628, 129688), (688, 118378), (754, 108016), (928, 87763), (1118, 72848), (1247, 65312), (1256, 64844), (1376, 59189), (1508, 54008), (2041, 39904), (2236, 36424), (2494, 32656), (2512, 32422), (3016, 27004), (4082, 19952), (4472, 18212), (4553, 17888), (4988, 16328), (5024, 16211), (6032, 13502), (6751, 12064), (8164, 9976), (8944, 9106)]