1555280

素因数分解:

$2^4\times 5^1\times {\mathrm{19441}}^1$

素因数の和:19454

約数の個数: 20

約数和(自身を含む): 3616212

約数和(自身を除く): 2060932

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 19441, 38882, 77764, 97205, 155528, 194410, 311056, 388820, 777640, 1555280]

約数ペア:

[(1, 1555280), (2, 777640), (4, 388820), (5, 311056), (8, 194410), (10, 155528), (16, 97205), (20, 77764), (40, 38882), (80, 19441)]