28836640

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{25747}}^1$

素因数の和:25769

約数の個数: 48

約数和(自身を含む): 77861952

約数和(自身を除く): 49025312

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 25747, 51494, 102988, 128735, 180229, 205976, 257470, 360458, 411952, 514940, 720916, 823904, 901145, 1029880, 1441832, 1802290, 2059760, 2883664, 3604580, 4119520, 5767328, 7209160, 14418320, 28836640]

約数ペア:

[(1, 28836640), (2, 14418320), (4, 7209160), (5, 5767328), (7, 4119520), (8, 3604580), (10, 2883664), (14, 2059760), (16, 1802290), (20, 1441832), (28, 1029880), (32, 901145), (35, 823904), (40, 720916), (56, 514940), (70, 411952), (80, 360458), (112, 257470), (140, 205976), (160, 180229), (224, 128735), (280, 102988), (560, 51494), (1120, 25747)]