8735480

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{157}}^1$

素因数の和:288

約数の個数: 64

約数和(自身を含む): 21500640

約数和(自身を除く): 12765160

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 107, 130, 157, 214, 260, 314, 428, 520, 535, 628, 785, 856, 1070, 1256, 1391, 1570, 2041, 2140, 2782, 3140, 4082, 4280, 5564, 6280, 6955, 8164, 10205, 11128, 13910, 16328, 16799, 20410, 27820, 33598, 40820, 55640, 67196, 81640, 83995, 134392, 167990, 218387, 335980, 436774, 671960, 873548, 1091935, 1747096, 2183870, 4367740, 8735480]

約数ペア:

[(1, 8735480), (2, 4367740), (4, 2183870), (5, 1747096), (8, 1091935), (10, 873548), (13, 671960), (20, 436774), (26, 335980), (40, 218387), (52, 167990), (65, 134392), (104, 83995), (107, 81640), (130, 67196), (157, 55640), (214, 40820), (260, 33598), (314, 27820), (428, 20410), (520, 16799), (535, 16328), (628, 13910), (785, 11128), (856, 10205), (1070, 8164), (1256, 6955), (1391, 6280), (1570, 5564), (2041, 4280), (2140, 4082), (2782, 3140)]