27438160

素因数分解:

$2^4\times 5^1\times {\mathrm{197}}^1\times {\mathrm{1741}}^1$

素因数の和:1951

約数の個数: 40

約数和(自身を含む): 64154376

約数和(自身を除く): 36716216

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 197, 394, 788, 985, 1576, 1741, 1970, 3152, 3482, 3940, 6964, 7880, 8705, 13928, 15760, 17410, 27856, 34820, 69640, 139280, 342977, 685954, 1371908, 1714885, 2743816, 3429770, 5487632, 6859540, 13719080, 27438160]

約数ペア:

[(1, 27438160), (2, 13719080), (4, 6859540), (5, 5487632), (8, 3429770), (10, 2743816), (16, 1714885), (20, 1371908), (40, 685954), (80, 342977), (197, 139280), (394, 69640), (788, 34820), (985, 27856), (1576, 17410), (1741, 15760), (1970, 13928), (3152, 8705), (3482, 7880), (3940, 6964)]