1261830560

素因数分解:

$2^5\times 5^1\times {\mathrm{7886441}}^1$

素因数の和:7886456

約数の個数: 24

約数和(自身を含む): 2981075076

約数和(自身を除く): 1719244516

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 7886441, 15772882, 31545764, 39432205, 63091528, 78864410, 126183056, 157728820, 252366112, 315457640, 630915280, 1261830560]

約数ペア:

[(1, 1261830560), (2, 630915280), (4, 315457640), (5, 252366112), (8, 157728820), (10, 126183056), (16, 78864410), (20, 63091528), (32, 39432205), (40, 31545764), (80, 15772882), (160, 7886441)]