25256860

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{97}}^1\times {\mathrm{277}}^1$

素因数の和:430

約数の個数: 48

約数和(自身を含む): 54923904

約数和(自身を除く): 29667044

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 97, 188, 194, 235, 277, 388, 470, 485, 554, 940, 970, 1108, 1385, 1940, 2770, 4559, 5540, 9118, 13019, 18236, 22795, 26038, 26869, 45590, 52076, 53738, 65095, 91180, 107476, 130190, 134345, 260380, 268690, 537380, 1262843, 2525686, 5051372, 6314215, 12628430, 25256860]

約数ペア:

[(1, 25256860), (2, 12628430), (4, 6314215), (5, 5051372), (10, 2525686), (20, 1262843), (47, 537380), (94, 268690), (97, 260380), (188, 134345), (194, 130190), (235, 107476), (277, 91180), (388, 65095), (470, 53738), (485, 52076), (554, 45590), (940, 26869), (970, 26038), (1108, 22795), (1385, 18236), (1940, 13019), (2770, 9118), (4559, 5540)]