12506725

素因数分解:

$5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{89}}^1$

素因数の和:190

約数の個数: 48

約数和(自身を含む): 19820160

約数和(自身を除く): 7313435

約数列:

[1, 5, 7, 11, 25, 35, 55, 73, 77, 89, 175, 275, 365, 385, 445, 511, 623, 803, 979, 1825, 1925, 2225, 2555, 3115, 4015, 4895, 5621, 6497, 6853, 12775, 15575, 20075, 24475, 28105, 32485, 34265, 45479, 71467, 140525, 162425, 171325, 227395, 357335, 500269, 1136975, 1786675, 2501345, 12506725]

約数ペア:

[(1, 12506725), (5, 2501345), (7, 1786675), (11, 1136975), (25, 500269), (35, 357335), (55, 227395), (73, 171325), (77, 162425), (89, 140525), (175, 71467), (275, 45479), (365, 34265), (385, 32485), (445, 28105), (511, 24475), (623, 20075), (803, 15575), (979, 12775), (1825, 6853), (1925, 6497), (2225, 5621), (2555, 4895), (3115, 4015)]