27741880

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{127}}^2$

素因数の和:308

約数の個数: 48

約数和(自身を含む): 64377720

約数和(自身を除く): 36635840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 127, 172, 215, 254, 344, 430, 508, 635, 860, 1016, 1270, 1720, 2540, 5080, 5461, 10922, 16129, 21844, 27305, 32258, 43688, 54610, 64516, 80645, 109220, 129032, 161290, 218440, 322580, 645160, 693547, 1387094, 2774188, 3467735, 5548376, 6935470, 13870940, 27741880]

約数ペア:

[(1, 27741880), (2, 13870940), (4, 6935470), (5, 5548376), (8, 3467735), (10, 2774188), (20, 1387094), (40, 693547), (43, 645160), (86, 322580), (127, 218440), (172, 161290), (215, 129032), (254, 109220), (344, 80645), (430, 64516), (508, 54610), (635, 43688), (860, 32258), (1016, 27305), (1270, 21844), (1720, 16129), (2540, 10922), (5080, 5461)]