7255420

素因数分解:

$2^2\times 5^1\times {\mathrm{281}}^1\times {\mathrm{1291}}^1$

素因数の和:1581

約数の個数: 24

約数和(自身を含む): 15302448

約数和(自身を除く): 8047028

約数列:

[1, 2, 4, 5, 10, 20, 281, 562, 1124, 1291, 1405, 2582, 2810, 5164, 5620, 6455, 12910, 25820, 362771, 725542, 1451084, 1813855, 3627710, 7255420]

約数ペア:

[(1, 7255420), (2, 3627710), (4, 1813855), (5, 1451084), (10, 725542), (20, 362771), (281, 25820), (562, 12910), (1124, 6455), (1291, 5620), (1405, 5164), (2582, 2810)]