86515280

素因数分解:

$2^4\times 5^1\times {\mathrm{1081441}}^1$

素因数の和:1081454

約数の個数: 20

約数和(自身を含む): 201148212

約数和(自身を除く): 114632932

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1081441, 2162882, 4325764, 5407205, 8651528, 10814410, 17303056, 21628820, 43257640, 86515280]

約数ペア:

[(1, 86515280), (2, 43257640), (4, 21628820), (5, 17303056), (8, 10814410), (10, 8651528), (16, 5407205), (20, 4325764), (40, 2162882), (80, 1081441)]