87297640

素因数分解:

$2^3\times 5^1\times {\mathrm{2182441}}^1$

素因数の和:2182452

約数の個数: 16

約数和(自身を含む): 196419780

約数和(自身を除く): 109122140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2182441, 4364882, 8729764, 10912205, 17459528, 21824410, 43648820, 87297640]

約数ペア:

[(1, 87297640), (2, 43648820), (4, 21824410), (5, 17459528), (8, 10912205), (10, 8729764), (20, 4364882), (40, 2182441)]