7248931280

素因数分解:

$2^4\times 5^1\times {\mathrm{90611641}}^1$

素因数の和:90611654

約数の個数: 20

約数和(自身を含む): 16853765412

約数和(自身を除く): 9604834132

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 90611641, 181223282, 362446564, 453058205, 724893128, 906116410, 1449786256, 1812232820, 3624465640, 7248931280]

約数ペア:

[(1, 7248931280), (2, 3624465640), (4, 1812232820), (5, 1449786256), (8, 906116410), (10, 724893128), (16, 453058205), (20, 362446564), (40, 181223282), (80, 90611641)]