87086020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{622043}}^1$

素因数の和:622059

約数の個数: 24

約数和(自身を含む): 209006784

約数和(自身を除く): 121920764

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 622043, 1244086, 2488172, 3110215, 4354301, 6220430, 8708602, 12440860, 17417204, 21771505, 43543010, 87086020]

約数ペア:

[(1, 87086020), (2, 43543010), (4, 21771505), (5, 17417204), (7, 12440860), (10, 8708602), (14, 6220430), (20, 4354301), (28, 3110215), (35, 2488172), (70, 1244086), (140, 622043)]