28051840

素因数分解:

$2^7\times 5^1\times {\mathrm{53}}^1\times {\mathrm{827}}^1$

素因数の和:899

約数の個数: 64

約数和(自身を含む): 68409360

約数和(自身を除く): 40357520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 53, 64, 80, 106, 128, 160, 212, 265, 320, 424, 530, 640, 827, 848, 1060, 1654, 1696, 2120, 3308, 3392, 4135, 4240, 6616, 6784, 8270, 8480, 13232, 16540, 16960, 26464, 33080, 33920, 43831, 52928, 66160, 87662, 105856, 132320, 175324, 219155, 264640, 350648, 438310, 529280, 701296, 876620, 1402592, 1753240, 2805184, 3506480, 5610368, 7012960, 14025920, 28051840]

約数ペア:

[(1, 28051840), (2, 14025920), (4, 7012960), (5, 5610368), (8, 3506480), (10, 2805184), (16, 1753240), (20, 1402592), (32, 876620), (40, 701296), (53, 529280), (64, 438310), (80, 350648), (106, 264640), (128, 219155), (160, 175324), (212, 132320), (265, 105856), (320, 87662), (424, 66160), (530, 52928), (640, 43831), (827, 33920), (848, 33080), (1060, 26464), (1654, 16960), (1696, 16540), (2120, 13232), (3308, 8480), (3392, 8270), (4135, 6784), (4240, 6616)]