87171760

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{1061}}^1$

素因数の和:1166

約数の個数: 80

約数和(自身を含む): 221235840

約数和(自身を除く): 134064080

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 79, 80, 104, 130, 158, 208, 260, 316, 395, 520, 632, 790, 1027, 1040, 1061, 1264, 1580, 2054, 2122, 3160, 4108, 4244, 5135, 5305, 6320, 8216, 8488, 10270, 10610, 13793, 16432, 16976, 20540, 21220, 27586, 41080, 42440, 55172, 68965, 82160, 83819, 84880, 110344, 137930, 167638, 220688, 275860, 335276, 419095, 551720, 670552, 838190, 1089647, 1103440, 1341104, 1676380, 2179294, 3352760, 4358588, 5448235, 6705520, 8717176, 10896470, 17434352, 21792940, 43585880, 87171760]

約数ペア:

[(1, 87171760), (2, 43585880), (4, 21792940), (5, 17434352), (8, 10896470), (10, 8717176), (13, 6705520), (16, 5448235), (20, 4358588), (26, 3352760), (40, 2179294), (52, 1676380), (65, 1341104), (79, 1103440), (80, 1089647), (104, 838190), (130, 670552), (158, 551720), (208, 419095), (260, 335276), (316, 275860), (395, 220688), (520, 167638), (632, 137930), (790, 110344), (1027, 84880), (1040, 83819), (1061, 82160), (1264, 68965), (1580, 55172), (2054, 42440), (2122, 41080), (3160, 27586), (4108, 21220), (4244, 20540), (5135, 16976), (5305, 16432), (6320, 13793), (8216, 10610), (8488, 10270)]