3939980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17909}}^1$

素因数の和:17929

約数の個数: 24

約数和(自身を含む): 9026640

約数和(自身を除く): 5086660

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 17909, 35818, 71636, 89545, 179090, 196999, 358180, 393998, 787996, 984995, 1969990, 3939980]

約数ペア:

[(1, 3939980), (2, 1969990), (4, 984995), (5, 787996), (10, 393998), (11, 358180), (20, 196999), (22, 179090), (44, 89545), (55, 71636), (110, 35818), (220, 17909)]