209941280

素因数分解:

$2^5\times 5^1\times {\mathrm{1312133}}^1$

素因数の和:1312148

約数の個数: 24

約数和(自身を含む): 495986652

約数和(自身を除く): 286045372

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 1312133, 2624266, 5248532, 6560665, 10497064, 13121330, 20994128, 26242660, 41988256, 52485320, 104970640, 209941280]

約数ペア:

[(1, 209941280), (2, 104970640), (4, 52485320), (5, 41988256), (8, 26242660), (10, 20994128), (16, 13121330), (20, 10497064), (32, 6560665), (40, 5248532), (80, 2624266), (160, 1312133)]