28444840

素因数分解:

$2^3\times 5^1\times {\mathrm{711121}}^1$

素因数の和:711132

約数の個数: 16

約数和(自身を含む): 64000980

約数和(自身を除く): 35556140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 711121, 1422242, 2844484, 3555605, 5688968, 7111210, 14222420, 28444840]

約数ペア:

[(1, 28444840), (2, 14222420), (4, 7111210), (5, 5688968), (8, 3555605), (10, 2844484), (20, 1422242), (40, 711121)]