26438860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{1487}}^1$

素因数の和:1630

約数の個数: 48

約数和(自身を含む): 63995904

約数和(自身を除く): 37557044

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 127, 140, 254, 508, 635, 889, 1270, 1487, 1778, 2540, 2974, 3556, 4445, 5948, 7435, 8890, 10409, 14870, 17780, 20818, 29740, 41636, 52045, 104090, 188849, 208180, 377698, 755396, 944245, 1321943, 1888490, 2643886, 3776980, 5287772, 6609715, 13219430, 26438860]

約数ペア:

[(1, 26438860), (2, 13219430), (4, 6609715), (5, 5287772), (7, 3776980), (10, 2643886), (14, 1888490), (20, 1321943), (28, 944245), (35, 755396), (70, 377698), (127, 208180), (140, 188849), (254, 104090), (508, 52045), (635, 41636), (889, 29740), (1270, 20818), (1487, 17780), (1778, 14870), (2540, 10409), (2974, 8890), (3556, 7435), (4445, 5948)]