4007080

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{1301}}^1$

素因数の和:1330

約数の個数: 64

約数和(自身を含む): 11249280

約数和(自身を除く): 7242200

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 88, 110, 140, 154, 220, 280, 308, 385, 440, 616, 770, 1301, 1540, 2602, 3080, 5204, 6505, 9107, 10408, 13010, 14311, 18214, 26020, 28622, 36428, 45535, 52040, 57244, 71555, 72856, 91070, 100177, 114488, 143110, 182140, 200354, 286220, 364280, 400708, 500885, 572440, 801416, 1001770, 2003540, 4007080]

約数ペア:

[(1, 4007080), (2, 2003540), (4, 1001770), (5, 801416), (7, 572440), (8, 500885), (10, 400708), (11, 364280), (14, 286220), (20, 200354), (22, 182140), (28, 143110), (35, 114488), (40, 100177), (44, 91070), (55, 72856), (56, 71555), (70, 57244), (77, 52040), (88, 45535), (110, 36428), (140, 28622), (154, 26020), (220, 18214), (280, 14311), (308, 13010), (385, 10408), (440, 9107), (616, 6505), (770, 5204), (1301, 3080), (1540, 2602)]