66631760

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{811}}^1$

素因数の和:916

約数の個数: 80

約数和(自身を含む): 169155840

約数和(自身を除く): 102524080

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, 811, 1027, 1040, 1264, 1580, 1622, 2054, 3160, 3244, 4055, 4108, 5135, 6320, 6488, 8110, 8216, 10270, 10543, 12976, 16220, 16432, 20540, 21086, 32440, 41080, 42172, 52715, 64069, 64880, 82160, 84344, 105430, 128138, 168688, 210860, 256276, 320345, 421720, 512552, 640690, 832897, 843440, 1025104, 1281380, 1665794, 2562760, 3331588, 4164485, 5125520, 6663176, 8328970, 13326352, 16657940, 33315880, 66631760]

約数ペア:

[(1, 66631760), (2, 33315880), (4, 16657940), (5, 13326352), (8, 8328970), (10, 6663176), (13, 5125520), (16, 4164485), (20, 3331588), (26, 2562760), (40, 1665794), (52, 1281380), (65, 1025104), (79, 843440), (80, 832897), (104, 640690), (130, 512552), (158, 421720), (208, 320345), (260, 256276), (316, 210860), (395, 168688), (520, 128138), (632, 105430), (790, 84344), (811, 82160), (1027, 64880), (1040, 64069), (1264, 52715), (1580, 42172), (1622, 41080), (2054, 32440), (3160, 21086), (3244, 20540), (4055, 16432), (4108, 16220), (5135, 12976), (6320, 10543), (6488, 10270), (8110, 8216)]