87601720

素因数分解:

$2^3\times 5^1\times {\mathrm{2190043}}^1$

素因数の和:2190054

約数の個数: 16

約数和(自身を含む): 197103960

約数和(自身を除く): 109502240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2190043, 4380086, 8760172, 10950215, 17520344, 21900430, 43800860, 87601720]

約数ペア:

[(1, 87601720), (2, 43800860), (4, 21900430), (5, 17520344), (8, 10950215), (10, 8760172), (20, 4380086), (40, 2190043)]