12555280

素因数分解:

$2^4\times 5^1\times {\mathrm{156941}}^1$

素因数の和:156954

約数の個数: 20

約数和(自身を含む): 29191212

約数和(自身を除く): 16635932

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 156941, 313882, 627764, 784705, 1255528, 1569410, 2511056, 3138820, 6277640, 12555280]

約数ペア:

[(1, 12555280), (2, 6277640), (4, 3138820), (5, 2511056), (8, 1569410), (10, 1255528), (16, 784705), (20, 627764), (40, 313882), (80, 156941)]