86620040

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{1061}}^1$

素因数の和:1242

約数の個数: 64

約数和(自身を含む): 211422960

約数和(自身を除く): 124802920

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 157, 260, 314, 520, 628, 785, 1061, 1256, 1570, 2041, 2122, 3140, 4082, 4244, 5305, 6280, 8164, 8488, 10205, 10610, 13793, 16328, 20410, 21220, 27586, 40820, 42440, 55172, 68965, 81640, 110344, 137930, 166577, 275860, 333154, 551720, 666308, 832885, 1332616, 1665770, 2165501, 3331540, 4331002, 6663080, 8662004, 10827505, 17324008, 21655010, 43310020, 86620040]

約数ペア:

[(1, 86620040), (2, 43310020), (4, 21655010), (5, 17324008), (8, 10827505), (10, 8662004), (13, 6663080), (20, 4331002), (26, 3331540), (40, 2165501), (52, 1665770), (65, 1332616), (104, 832885), (130, 666308), (157, 551720), (260, 333154), (314, 275860), (520, 166577), (628, 137930), (785, 110344), (1061, 81640), (1256, 68965), (1570, 55172), (2041, 42440), (2122, 40820), (3140, 27586), (4082, 21220), (4244, 20410), (5305, 16328), (6280, 13793), (8164, 10610), (8488, 10205)]