207946960

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{2531}}^1$

素因数の和:2636

約数の個数: 80

約数和(自身を含む): 527466240

約数和(自身を除く): 319519280

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, 1264, 1580, 2054, 2531, 3160, 4108, 5062, 5135, 6320, 8216, 10124, 10270, 12655, 16432, 20248, 20540, 25310, 32903, 40496, 41080, 50620, 65806, 82160, 101240, 131612, 164515, 199949, 202480, 263224, 329030, 399898, 526448, 658060, 799796, 999745, 1316120, 1599592, 1999490, 2599337, 2632240, 3199184, 3998980, 5198674, 7997960, 10397348, 12996685, 15995920, 20794696, 25993370, 41589392, 51986740, 103973480, 207946960]

約数ペア:

[(1, 207946960), (2, 103973480), (4, 51986740), (5, 41589392), (8, 25993370), (10, 20794696), (13, 15995920), (16, 12996685), (20, 10397348), (26, 7997960), (40, 5198674), (52, 3998980), (65, 3199184), (79, 2632240), (80, 2599337), (104, 1999490), (130, 1599592), (158, 1316120), (208, 999745), (260, 799796), (316, 658060), (395, 526448), (520, 399898), (632, 329030), (790, 263224), (1027, 202480), (1040, 199949), (1264, 164515), (1580, 131612), (2054, 101240), (2531, 82160), (3160, 65806), (4108, 50620), (5062, 41080), (5135, 40496), (6320, 32903), (8216, 25310), (10124, 20540), (10270, 20248), (12655, 16432)]