128388640

素因数分解:

$2^5\times 5^1\times {\mathrm{587}}^1\times {\mathrm{1367}}^1$

素因数の和:1969

約数の個数: 48

約数和(自身を含む): 304057152

約数和(自身を除く): 175668512

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 587, 1174, 1367, 2348, 2734, 2935, 4696, 5468, 5870, 6835, 9392, 10936, 11740, 13670, 18784, 21872, 23480, 27340, 43744, 46960, 54680, 93920, 109360, 218720, 802429, 1604858, 3209716, 4012145, 6419432, 8024290, 12838864, 16048580, 25677728, 32097160, 64194320, 128388640]

約数ペア:

[(1, 128388640), (2, 64194320), (4, 32097160), (5, 25677728), (8, 16048580), (10, 12838864), (16, 8024290), (20, 6419432), (32, 4012145), (40, 3209716), (80, 1604858), (160, 802429), (587, 218720), (1174, 109360), (1367, 93920), (2348, 54680), (2734, 46960), (2935, 43744), (4696, 27340), (5468, 23480), (5870, 21872), (6835, 18784), (9392, 13670), (10936, 11740)]