87663280

素因数分解:

$2^4\times 5^1\times {\mathrm{1095791}}^1$

素因数の和:1095804

約数の個数: 20

約数和(自身を含む): 203817312

約数和(自身を除く): 116154032

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1095791, 2191582, 4383164, 5478955, 8766328, 10957910, 17532656, 21915820, 43831640, 87663280]

約数ペア:

[(1, 87663280), (2, 43831640), (4, 21915820), (5, 17532656), (8, 10957910), (10, 8766328), (16, 5478955), (20, 4383164), (40, 2191582), (80, 1095791)]