25961860

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{389}}^1$

素因数の和:516

約数の個数: 48

約数和(自身を含む): 56609280

約数和(自身を除く): 30647420

約数列:

[1, 2, 4, 5, 10, 20, 47, 71, 94, 142, 188, 235, 284, 355, 389, 470, 710, 778, 940, 1420, 1556, 1945, 3337, 3890, 6674, 7780, 13348, 16685, 18283, 27619, 33370, 36566, 55238, 66740, 73132, 91415, 110476, 138095, 182830, 276190, 365660, 552380, 1298093, 2596186, 5192372, 6490465, 12980930, 25961860]

約数ペア:

[(1, 25961860), (2, 12980930), (4, 6490465), (5, 5192372), (10, 2596186), (20, 1298093), (47, 552380), (71, 365660), (94, 276190), (142, 182830), (188, 138095), (235, 110476), (284, 91415), (355, 73132), (389, 66740), (470, 55238), (710, 36566), (778, 33370), (940, 27619), (1420, 18283), (1556, 16685), (1945, 13348), (3337, 7780), (3890, 6674)]