26295560

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{197}}^1$

素因数の和:326

約数の個数: 64

約数和(自身を含む): 61585920

約数和(自身を除く): 35290360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 71, 94, 142, 188, 197, 235, 284, 355, 376, 394, 470, 568, 710, 788, 940, 985, 1420, 1576, 1880, 1970, 2840, 3337, 3940, 6674, 7880, 9259, 13348, 13987, 16685, 18518, 26696, 27974, 33370, 37036, 46295, 55948, 66740, 69935, 74072, 92590, 111896, 133480, 139870, 185180, 279740, 370360, 559480, 657389, 1314778, 2629556, 3286945, 5259112, 6573890, 13147780, 26295560]

約数ペア:

[(1, 26295560), (2, 13147780), (4, 6573890), (5, 5259112), (8, 3286945), (10, 2629556), (20, 1314778), (40, 657389), (47, 559480), (71, 370360), (94, 279740), (142, 185180), (188, 139870), (197, 133480), (235, 111896), (284, 92590), (355, 74072), (376, 69935), (394, 66740), (470, 55948), (568, 46295), (710, 37036), (788, 33370), (940, 27974), (985, 26696), (1420, 18518), (1576, 16685), (1880, 13987), (1970, 13348), (2840, 9259), (3337, 7880), (3940, 6674)]