28444180

素因数分解:

$2^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{21227}}^1$

素因数の和:21303

約数の個数: 24

約数和(自身を含む): 60627168

約数和(自身を除く): 32182988

約数列:

[1, 2, 4, 5, 10, 20, 67, 134, 268, 335, 670, 1340, 21227, 42454, 84908, 106135, 212270, 424540, 1422209, 2844418, 5688836, 7111045, 14222090, 28444180]

約数ペア:

[(1, 28444180), (2, 14222090), (4, 7111045), (5, 5688836), (10, 2844418), (20, 1422209), (67, 424540), (134, 212270), (268, 106135), (335, 84908), (670, 42454), (1340, 21227)]