39520784

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{109}}^1$

素因数の和:208

約数の個数: 80

約数和(自身を含む): 86423040

約数和(自身を除く): 46902256

約数列:

[1, 2, 4, 8, 16, 17, 31, 34, 43, 62, 68, 86, 109, 124, 136, 172, 218, 248, 272, 344, 436, 496, 527, 688, 731, 872, 1054, 1333, 1462, 1744, 1853, 2108, 2666, 2924, 3379, 3706, 4216, 4687, 5332, 5848, 6758, 7412, 8432, 9374, 10664, 11696, 13516, 14824, 18748, 21328, 22661, 27032, 29648, 37496, 45322, 54064, 57443, 74992, 79679, 90644, 114886, 145297, 159358, 181288, 229772, 290594, 318716, 362576, 459544, 581188, 637432, 919088, 1162376, 1274864, 2324752, 2470049, 4940098, 9880196, 19760392, 39520784]

約数ペア:

[(1, 39520784), (2, 19760392), (4, 9880196), (8, 4940098), (16, 2470049), (17, 2324752), (31, 1274864), (34, 1162376), (43, 919088), (62, 637432), (68, 581188), (86, 459544), (109, 362576), (124, 318716), (136, 290594), (172, 229772), (218, 181288), (248, 159358), (272, 145297), (344, 114886), (436, 90644), (496, 79679), (527, 74992), (688, 57443), (731, 54064), (872, 45322), (1054, 37496), (1333, 29648), (1462, 27032), (1744, 22661), (1853, 21328), (2108, 18748), (2666, 14824), (2924, 13516), (3379, 11696), (3706, 10664), (4216, 9374), (4687, 8432), (5332, 7412), (5848, 6758)]