83721040

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{1019}}^1$

素因数の和:1124

約数の個数: 80

約数和(自身を含む): 212486400

約数和(自身を除く): 128765360

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, 1019, 1027, 1040, 1264, 1580, 2038, 2054, 3160, 4076, 4108, 5095, 5135, 6320, 8152, 8216, 10190, 10270, 13247, 16304, 16432, 20380, 20540, 26494, 40760, 41080, 52988, 66235, 80501, 81520, 82160, 105976, 132470, 161002, 211952, 264940, 322004, 402505, 529880, 644008, 805010, 1046513, 1059760, 1288016, 1610020, 2093026, 3220040, 4186052, 5232565, 6440080, 8372104, 10465130, 16744208, 20930260, 41860520, 83721040]

約数ペア:

[(1, 83721040), (2, 41860520), (4, 20930260), (5, 16744208), (8, 10465130), (10, 8372104), (13, 6440080), (16, 5232565), (20, 4186052), (26, 3220040), (40, 2093026), (52, 1610020), (65, 1288016), (79, 1059760), (80, 1046513), (104, 805010), (130, 644008), (158, 529880), (208, 402505), (260, 322004), (316, 264940), (395, 211952), (520, 161002), (632, 132470), (790, 105976), (1019, 82160), (1027, 81520), (1040, 80501), (1264, 66235), (1580, 52988), (2038, 41080), (2054, 40760), (3160, 26494), (4076, 20540), (4108, 20380), (5095, 16432), (5135, 16304), (6320, 13247), (8152, 10270), (8216, 10190)]