138847649320

素因数分解:

$2^3\times 5^1\times {\mathrm{131}}^1\times {\mathrm{26497643}}^1$

素因数の和:26497785

約数の個数: 32

約数和(自身を含む): 314792010720

約数和(自身を除く): 175944361400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 131, 262, 524, 655, 1048, 1310, 2620, 5240, 26497643, 52995286, 105990572, 132488215, 211981144, 264976430, 529952860, 1059905720, 3471191233, 6942382466, 13884764932, 17355956165, 27769529864, 34711912330, 69423824660, 138847649320]

約数ペア:

[(1, 138847649320), (2, 69423824660), (4, 34711912330), (5, 27769529864), (8, 17355956165), (10, 13884764932), (20, 6942382466), (40, 3471191233), (131, 1059905720), (262, 529952860), (524, 264976430), (655, 211981144), (1048, 132488215), (1310, 105990572), (2620, 52995286), (5240, 26497643)]