100809640

素因数分解:

$2^3\times 5^1\times {\mathrm{2520241}}^1$

素因数の和:2520252

約数の個数: 16

約数和(自身を含む): 226821780

約数和(自身を除く): 126012140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2520241, 5040482, 10080964, 12601205, 20161928, 25202410, 50404820, 100809640]

約数ペア:

[(1, 100809640), (2, 50404820), (4, 25202410), (5, 20161928), (8, 12601205), (10, 10080964), (20, 5040482), (40, 2520241)]