169795280

素因数分解:

$2^4\times 5^1\times {\mathrm{2122441}}^1$

素因数の和:2122454

約数の個数: 20

約数和(自身を含む): 394774212

約数和(自身を除く): 224978932

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2122441, 4244882, 8489764, 10612205, 16979528, 21224410, 33959056, 42448820, 84897640, 169795280]

約数ペア:

[(1, 169795280), (2, 84897640), (4, 42448820), (5, 33959056), (8, 21224410), (10, 16979528), (16, 10612205), (20, 8489764), (40, 4244882), (80, 2122441)]