28967840

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{151}}^1$

素因数の和:286

約数の個数: 96

約数和(自身を含む): 75841920

約数和(自身を除く): 46874080

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 80, 88, 109, 110, 151, 160, 176, 218, 220, 302, 352, 436, 440, 545, 604, 755, 872, 880, 1090, 1199, 1208, 1510, 1661, 1744, 1760, 2180, 2398, 2416, 3020, 3322, 3488, 4360, 4796, 4832, 5995, 6040, 6644, 8305, 8720, 9592, 11990, 12080, 13288, 16459, 16610, 17440, 19184, 23980, 24160, 26576, 32918, 33220, 38368, 47960, 53152, 65836, 66440, 82295, 95920, 131672, 132880, 164590, 181049, 191840, 263344, 265760, 329180, 362098, 526688, 658360, 724196, 905245, 1316720, 1448392, 1810490, 2633440, 2896784, 3620980, 5793568, 7241960, 14483920, 28967840]

約数ペア:

[(1, 28967840), (2, 14483920), (4, 7241960), (5, 5793568), (8, 3620980), (10, 2896784), (11, 2633440), (16, 1810490), (20, 1448392), (22, 1316720), (32, 905245), (40, 724196), (44, 658360), (55, 526688), (80, 362098), (88, 329180), (109, 265760), (110, 263344), (151, 191840), (160, 181049), (176, 164590), (218, 132880), (220, 131672), (302, 95920), (352, 82295), (436, 66440), (440, 65836), (545, 53152), (604, 47960), (755, 38368), (872, 33220), (880, 32918), (1090, 26576), (1199, 24160), (1208, 23980), (1510, 19184), (1661, 17440), (1744, 16610), (1760, 16459), (2180, 13288), (2398, 12080), (2416, 11990), (3020, 9592), (3322, 8720), (3488, 8305), (4360, 6644), (4796, 6040), (4832, 5995)]