7129820

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{5021}}^1$

素因数の和:5101

約数の個数: 24

約数和(自身を含む): 15186528

約数和(自身を除く): 8056708

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 5021, 10042, 20084, 25105, 50210, 100420, 356491, 712982, 1425964, 1782455, 3564910, 7129820]

約数ペア:

[(1, 7129820), (2, 3564910), (4, 1782455), (5, 1425964), (10, 712982), (20, 356491), (71, 100420), (142, 50210), (284, 25105), (355, 20084), (710, 10042), (1420, 5021)]