75545740

素因数分解:

$2^2\times 5^1\times {\mathrm{1901}}^1\times {\mathrm{1987}}^1$

素因数の和:3897

約数の個数: 24

約数和(自身を含む): 158809392

約数和(自身を除く): 83263652

約数列:

[1, 2, 4, 5, 10, 20, 1901, 1987, 3802, 3974, 7604, 7948, 9505, 9935, 19010, 19870, 38020, 39740, 3777287, 7554574, 15109148, 18886435, 37772870, 75545740]

約数ペア:

[(1, 75545740), (2, 37772870), (4, 18886435), (5, 15109148), (10, 7554574), (20, 3777287), (1901, 39740), (1987, 38020), (3802, 19870), (3974, 19010), (7604, 9935), (7948, 9505)]