80424988

素因数分解:

$2^2\times 7^1\times {\mathrm{641}}^1\times {\mathrm{4481}}^1$

素因数の和:5133

約数の個数: 24

約数和(自身を含む): 161136864

約数和(自身を除く): 80711876

約数列:

[1, 2, 4, 7, 14, 28, 641, 1282, 2564, 4481, 4487, 8962, 8974, 17924, 17948, 31367, 62734, 125468, 2872321, 5744642, 11489284, 20106247, 40212494, 80424988]

約数ペア:

[(1, 80424988), (2, 40212494), (4, 20106247), (7, 11489284), (14, 5744642), (28, 2872321), (641, 125468), (1282, 62734), (2564, 31367), (4481, 17948), (4487, 17924), (8962, 8974)]