2040888640

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{911111}}^1$

素因数の和:911135

約数の個数: 56

約数和(自身を含む): 5554138752

約数和(自身を除く): 3513250112

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 140, 160, 224, 280, 320, 448, 560, 1120, 2240, 911111, 1822222, 3644444, 4555555, 6377777, 7288888, 9111110, 12755554, 14577776, 18222220, 25511108, 29155552, 31888885, 36444440, 51022216, 58311104, 63777770, 72888880, 102044432, 127555540, 145777760, 204088864, 255111080, 291555520, 408177728, 510222160, 1020444320, 2040888640]

約数ペア:

[(1, 2040888640), (2, 1020444320), (4, 510222160), (5, 408177728), (7, 291555520), (8, 255111080), (10, 204088864), (14, 145777760), (16, 127555540), (20, 102044432), (28, 72888880), (32, 63777770), (35, 58311104), (40, 51022216), (56, 36444440), (64, 31888885), (70, 29155552), (80, 25511108), (112, 18222220), (140, 14577776), (160, 12755554), (224, 9111110), (280, 7288888), (320, 6377777), (448, 4555555), (560, 3644444), (1120, 1822222), (2240, 911111)]