27439840

素因数分解:

$2^5\times 5^1\times {\mathrm{149}}^1\times {\mathrm{1151}}^1$

素因数の和:1315

約数の個数: 48

約数和(自身を含む): 65318400

約数和(自身を除く): 37878560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 149, 160, 298, 596, 745, 1151, 1192, 1490, 2302, 2384, 2980, 4604, 4768, 5755, 5960, 9208, 11510, 11920, 18416, 23020, 23840, 36832, 46040, 92080, 171499, 184160, 342998, 685996, 857495, 1371992, 1714990, 2743984, 3429980, 5487968, 6859960, 13719920, 27439840]

約数ペア:

[(1, 27439840), (2, 13719920), (4, 6859960), (5, 5487968), (8, 3429980), (10, 2743984), (16, 1714990), (20, 1371992), (32, 857495), (40, 685996), (80, 342998), (149, 184160), (160, 171499), (298, 92080), (596, 46040), (745, 36832), (1151, 23840), (1192, 23020), (1490, 18416), (2302, 11920), (2384, 11510), (2980, 9208), (4604, 5960), (4768, 5755)]