28090240

素因数分解:

$2^7\times 5^1\times {\mathrm{43891}}^1$

素因数の和:43910

約数の個数: 32

約数和(自身を含む): 67154760

約数和(自身を除く): 39064520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 43891, 87782, 175564, 219455, 351128, 438910, 702256, 877820, 1404512, 1755640, 2809024, 3511280, 5618048, 7022560, 14045120, 28090240]

約数ペア:

[(1, 28090240), (2, 14045120), (4, 7022560), (5, 5618048), (8, 3511280), (10, 2809024), (16, 1755640), (20, 1404512), (32, 877820), (40, 702256), (64, 438910), (80, 351128), (128, 219455), (160, 175564), (320, 87782), (640, 43891)]