67045420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{257867}}^1$

素因数の和:257889

約数の個数: 24

約数和(自身を含む): 151626384

約数和(自身を除く): 84580964

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 257867, 515734, 1031468, 1289335, 2578670, 3352271, 5157340, 6704542, 13409084, 16761355, 33522710, 67045420]

約数ペア:

[(1, 67045420), (2, 33522710), (4, 16761355), (5, 13409084), (10, 6704542), (13, 5157340), (20, 3352271), (26, 2578670), (52, 1289335), (65, 1031468), (130, 515734), (260, 257867)]