188520804880

素因数分解:

$2^4\times 5^1\times {\mathrm{2356510061}}^1$

素因数の和:2356510074

約数の個数: 20

約数和(自身を含む): 438310871532

約数和(自身を除く): 249790066652

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2356510061, 4713020122, 9426040244, 11782550305, 18852080488, 23565100610, 37704160976, 47130201220, 94260402440, 188520804880]

約数ペア:

[(1, 188520804880), (2, 94260402440), (4, 47130201220), (5, 37704160976), (8, 23565100610), (10, 18852080488), (16, 11782550305), (20, 9426040244), (40, 4713020122), (80, 2356510061)]