26971420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{4099}}^1$

素因数の和:4162

約数の個数: 48

約数和(自身を含む): 66124800

約数和(自身を除く): 39153380

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 47, 70, 94, 140, 188, 235, 329, 470, 658, 940, 1316, 1645, 3290, 4099, 6580, 8198, 16396, 20495, 28693, 40990, 57386, 81980, 114772, 143465, 192653, 286930, 385306, 573860, 770612, 963265, 1348571, 1926530, 2697142, 3853060, 5394284, 6742855, 13485710, 26971420]

約数ペア:

[(1, 26971420), (2, 13485710), (4, 6742855), (5, 5394284), (7, 3853060), (10, 2697142), (14, 1926530), (20, 1348571), (28, 963265), (35, 770612), (47, 573860), (70, 385306), (94, 286930), (140, 192653), (188, 143465), (235, 114772), (329, 81980), (470, 57386), (658, 40990), (940, 28693), (1316, 20495), (1645, 16396), (3290, 8198), (4099, 6580)]