127265840

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{1549}}^1$

素因数の和:1654

約数の個数: 80

約数和(自身を含む): 322896000

約数和(自身を除く): 195630160

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, 1549, 1580, 2054, 3098, 3160, 4108, 5135, 6196, 6320, 7745, 8216, 10270, 12392, 15490, 16432, 20137, 20540, 24784, 30980, 40274, 41080, 61960, 80548, 82160, 100685, 122371, 123920, 161096, 201370, 244742, 322192, 402740, 489484, 611855, 805480, 978968, 1223710, 1590823, 1610960, 1957936, 2447420, 3181646, 4894840, 6363292, 7954115, 9789680, 12726584, 15908230, 25453168, 31816460, 63632920, 127265840]

約数ペア:

[(1, 127265840), (2, 63632920), (4, 31816460), (5, 25453168), (8, 15908230), (10, 12726584), (13, 9789680), (16, 7954115), (20, 6363292), (26, 4894840), (40, 3181646), (52, 2447420), (65, 1957936), (79, 1610960), (80, 1590823), (104, 1223710), (130, 978968), (158, 805480), (208, 611855), (260, 489484), (316, 402740), (395, 322192), (520, 244742), (632, 201370), (790, 161096), (1027, 123920), (1040, 122371), (1264, 100685), (1549, 82160), (1580, 80548), (2054, 61960), (3098, 41080), (3160, 40274), (4108, 30980), (5135, 24784), (6196, 20540), (6320, 20137), (7745, 16432), (8216, 15490), (10270, 12392)]