87860680

素因数分解:

$2^3\times 5^1\times {\mathrm{787}}^1\times {\mathrm{2791}}^1$

素因数の和:3589

約数の個数: 32

約数和(自身を含む): 198008640

約数和(自身を除く): 110147960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 787, 1574, 2791, 3148, 3935, 5582, 6296, 7870, 11164, 13955, 15740, 22328, 27910, 31480, 55820, 111640, 2196517, 4393034, 8786068, 10982585, 17572136, 21965170, 43930340, 87860680]

約数ペア:

[(1, 87860680), (2, 43930340), (4, 21965170), (5, 17572136), (8, 10982585), (10, 8786068), (20, 4393034), (40, 2196517), (787, 111640), (1574, 55820), (2791, 31480), (3148, 27910), (3935, 22328), (5582, 15740), (6296, 13955), (7870, 11164)]