25775020

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{67829}}^1$

素因数の和:67857

約数の個数: 24

約数和(自身を含む): 56977200

約数和(自身を除く): 31202180

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 67829, 135658, 271316, 339145, 678290, 1288751, 1356580, 2577502, 5155004, 6443755, 12887510, 25775020]

約数ペア:

[(1, 25775020), (2, 12887510), (4, 6443755), (5, 5155004), (10, 2577502), (19, 1356580), (20, 1288751), (38, 678290), (76, 339145), (95, 271316), (190, 135658), (380, 67829)]