80885756

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1$

素因数の和:195

約数の個数: 96

約数和(自身を含む): 179988480

約数和(自身を除く): 99102724

約数列:

[1, 2, 4, 7, 14, 23, 28, 29, 46, 58, 61, 71, 92, 116, 122, 142, 161, 203, 244, 284, 322, 406, 427, 497, 644, 667, 812, 854, 994, 1334, 1403, 1633, 1708, 1769, 1988, 2059, 2668, 2806, 3266, 3538, 4118, 4331, 4669, 5612, 6532, 7076, 8236, 8662, 9338, 9821, 11431, 12383, 14413, 17324, 18676, 19642, 22862, 24766, 28826, 30317, 39284, 40687, 45724, 47357, 49532, 57652, 60634, 81374, 94714, 99613, 121268, 125599, 162748, 189428, 199226, 251198, 284809, 331499, 398452, 502396, 569618, 662998, 697291, 879193, 1139236, 1325996, 1394582, 1758386, 2789164, 2888777, 3516772, 5777554, 11555108, 20221439, 40442878, 80885756]

約数ペア:

[(1, 80885756), (2, 40442878), (4, 20221439), (7, 11555108), (14, 5777554), (23, 3516772), (28, 2888777), (29, 2789164), (46, 1758386), (58, 1394582), (61, 1325996), (71, 1139236), (92, 879193), (116, 697291), (122, 662998), (142, 569618), (161, 502396), (203, 398452), (244, 331499), (284, 284809), (322, 251198), (406, 199226), (427, 189428), (497, 162748), (644, 125599), (667, 121268), (812, 99613), (854, 94714), (994, 81374), (1334, 60634), (1403, 57652), (1633, 49532), (1708, 47357), (1769, 45724), (1988, 40687), (2059, 39284), (2668, 30317), (2806, 28826), (3266, 24766), (3538, 22862), (4118, 19642), (4331, 18676), (4669, 17324), (5612, 14413), (6532, 12383), (7076, 11431), (8236, 9821), (8662, 9338)]