77787340

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{53279}}^1$

素因数の和:53361

約数の個数: 24

約数和(自身を含む): 165594240

約数和(自身を除く): 87806900

約数列:

[1, 2, 4, 5, 10, 20, 73, 146, 292, 365, 730, 1460, 53279, 106558, 213116, 266395, 532790, 1065580, 3889367, 7778734, 15557468, 19446835, 38893670, 77787340]

約数ペア:

[(1, 77787340), (2, 38893670), (4, 19446835), (5, 15557468), (10, 7778734), (20, 3889367), (73, 1065580), (146, 532790), (292, 266395), (365, 213116), (730, 106558), (1460, 53279)]