26855420

素因数分解:

$2^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{109}}^1\times {\mathrm{127}}^1$

素因数の和:342

約数の個数: 48

約数和(自身を含む): 57953280

約数和(自身を除く): 31097860

約数列:

[1, 2, 4, 5, 10, 20, 97, 109, 127, 194, 218, 254, 388, 436, 485, 508, 545, 635, 970, 1090, 1270, 1940, 2180, 2540, 10573, 12319, 13843, 21146, 24638, 27686, 42292, 49276, 52865, 55372, 61595, 69215, 105730, 123190, 138430, 211460, 246380, 276860, 1342771, 2685542, 5371084, 6713855, 13427710, 26855420]

約数ペア:

[(1, 26855420), (2, 13427710), (4, 6713855), (5, 5371084), (10, 2685542), (20, 1342771), (97, 276860), (109, 246380), (127, 211460), (194, 138430), (218, 123190), (254, 105730), (388, 69215), (436, 61595), (485, 55372), (508, 52865), (545, 49276), (635, 42292), (970, 27686), (1090, 24638), (1270, 21146), (1940, 13843), (2180, 12319), (2540, 10573)]