80873728

素因数分解:

$2^8\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1279}}^1$

素因数の和:1327

約数の個数: 72

約数和(自身を含む): 183142400

約数和(自身を除く): 102268672

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 32, 38, 52, 64, 76, 104, 128, 152, 208, 247, 256, 304, 416, 494, 608, 832, 988, 1216, 1279, 1664, 1976, 2432, 2558, 3328, 3952, 4864, 5116, 7904, 10232, 15808, 16627, 20464, 24301, 31616, 33254, 40928, 48602, 63232, 66508, 81856, 97204, 133016, 163712, 194408, 266032, 315913, 327424, 388816, 532064, 631826, 777632, 1064128, 1263652, 1555264, 2128256, 2527304, 3110528, 4256512, 5054608, 6221056, 10109216, 20218432, 40436864, 80873728]

約数ペア:

[(1, 80873728), (2, 40436864), (4, 20218432), (8, 10109216), (13, 6221056), (16, 5054608), (19, 4256512), (26, 3110528), (32, 2527304), (38, 2128256), (52, 1555264), (64, 1263652), (76, 1064128), (104, 777632), (128, 631826), (152, 532064), (208, 388816), (247, 327424), (256, 315913), (304, 266032), (416, 194408), (494, 163712), (608, 133016), (832, 97204), (988, 81856), (1216, 66508), (1279, 63232), (1664, 48602), (1976, 40928), (2432, 33254), (2558, 31616), (3328, 24301), (3952, 20464), (4864, 16627), (5116, 15808), (7904, 10232)]