160747225

素因数分解:

$5^2\times {\mathrm{79}}^1\times {\mathrm{199}}^1\times {\mathrm{409}}^1$

素因数の和:697

約数の個数: 24

約数和(自身を含む): 203360000

約数和(自身を除く): 42612775

約数列:

[1, 5, 25, 79, 199, 395, 409, 995, 1975, 2045, 4975, 10225, 15721, 32311, 78605, 81391, 161555, 393025, 406955, 807775, 2034775, 6429889, 32149445, 160747225]

約数ペア:

[(1, 160747225), (5, 32149445), (25, 6429889), (79, 2034775), (199, 807775), (395, 406955), (409, 393025), (995, 161555), (1975, 81391), (2045, 78605), (4975, 32311), (10225, 15721)]