164030120

素因数分解:

$2^3\times 5^1\times {\mathrm{419}}^1\times {\mathrm{9787}}^1$

素因数の和:10217

約数の個数: 32

約数和(自身を含む): 369986400

約数和(自身を除く): 205956280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 419, 838, 1676, 2095, 3352, 4190, 8380, 9787, 16760, 19574, 39148, 48935, 78296, 97870, 195740, 391480, 4100753, 8201506, 16403012, 20503765, 32806024, 41007530, 82015060, 164030120]

約数ペア:

[(1, 164030120), (2, 82015060), (4, 41007530), (5, 32806024), (8, 20503765), (10, 16403012), (20, 8201506), (40, 4100753), (419, 391480), (838, 195740), (1676, 97870), (2095, 78296), (3352, 48935), (4190, 39148), (8380, 19574), (9787, 16760)]