157083280

素因数分解:

$2^4\times 5^1\times {\mathrm{101}}^1\times {\mathrm{19441}}^1$

素因数の和:19555

約数の個数: 40

約数和(自身を含む): 368853624

約数和(自身を除く): 211770344

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 101, 202, 404, 505, 808, 1010, 1616, 2020, 4040, 8080, 19441, 38882, 77764, 97205, 155528, 194410, 311056, 388820, 777640, 1555280, 1963541, 3927082, 7854164, 9817705, 15708328, 19635410, 31416656, 39270820, 78541640, 157083280]

約数ペア:

[(1, 157083280), (2, 78541640), (4, 39270820), (5, 31416656), (8, 19635410), (10, 15708328), (16, 9817705), (20, 7854164), (40, 3927082), (80, 1963541), (101, 1555280), (202, 777640), (404, 388820), (505, 311056), (808, 194410), (1010, 155528), (1616, 97205), (2020, 77764), (4040, 38882), (8080, 19441)]