2918438420

素因数分解:

$2^2\times 5^1\times {\mathrm{2221}}^1\times {\mathrm{65701}}^1$

素因数の和:67931

約数の個数: 24

約数和(自身を含む): 6131573448

約数和(自身を除く): 3213135028

約数列:

[1, 2, 4, 5, 10, 20, 2221, 4442, 8884, 11105, 22210, 44420, 65701, 131402, 262804, 328505, 657010, 1314020, 145921921, 291843842, 583687684, 729609605, 1459219210, 2918438420]

約数ペア:

[(1, 2918438420), (2, 1459219210), (4, 729609605), (5, 583687684), (10, 291843842), (20, 145921921), (2221, 1314020), (4442, 657010), (8884, 328505), (11105, 262804), (22210, 131402), (44420, 65701)]