404102420

素因数分解:

$2^2\times 5^1\times {\mathrm{20205121}}^1$

素因数の和:20205130

約数の個数: 12

約数和(自身を含む): 848615124

約数和(自身を除く): 444512704

約数列:

[1, 2, 4, 5, 10, 20, 20205121, 40410242, 80820484, 101025605, 202051210, 404102420]

約数ペア:

[(1, 404102420), (2, 202051210), (4, 101025605), (5, 80820484), (10, 40410242), (20, 20205121)]