75811880

素因数分解:

$2^3\times 5^1\times {\mathrm{997}}^1\times {\mathrm{1901}}^1$

素因数の和:2909

約数の個数: 32

約数和(自身を含む): 170837640

約数和(自身を除く): 95025760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 997, 1901, 1994, 3802, 3988, 4985, 7604, 7976, 9505, 9970, 15208, 19010, 19940, 38020, 39880, 76040, 1895297, 3790594, 7581188, 9476485, 15162376, 18952970, 37905940, 75811880]

約数ペア:

[(1, 75811880), (2, 37905940), (4, 18952970), (5, 15162376), (8, 9476485), (10, 7581188), (20, 3790594), (40, 1895297), (997, 76040), (1901, 39880), (1994, 38020), (3802, 19940), (3988, 19010), (4985, 15208), (7604, 9970), (7976, 9505)]