26854790

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^2\times {\mathrm{43}}^1\times {\mathrm{173}}^1$

素因数の和:261

約数の個数: 48

約数和(自身を含む): 52504848

約数和(自身を除く): 25650058

約数列:

[1, 2, 5, 10, 19, 38, 43, 86, 95, 173, 190, 215, 346, 361, 430, 722, 817, 865, 1634, 1730, 1805, 3287, 3610, 4085, 6574, 7439, 8170, 14878, 15523, 16435, 31046, 32870, 37195, 62453, 74390, 77615, 124906, 141341, 155230, 282682, 312265, 624530, 706705, 1413410, 2685479, 5370958, 13427395, 26854790]

約数ペア:

[(1, 26854790), (2, 13427395), (5, 5370958), (10, 2685479), (19, 1413410), (38, 706705), (43, 624530), (86, 312265), (95, 282682), (173, 155230), (190, 141341), (215, 124906), (346, 77615), (361, 74390), (430, 62453), (722, 37195), (817, 32870), (865, 31046), (1634, 16435), (1730, 15523), (1805, 14878), (3287, 8170), (3610, 7439), (4085, 6574)]