90695090

素因数分解:

$2^1\times 5^1\times {\mathrm{641}}^1\times {\mathrm{14149}}^1$

素因数の和:14797

約数の個数: 16

約数和(自身を含む): 163517400

約数和(自身を除く): 72822310

約数列:

[1, 2, 5, 10, 641, 1282, 3205, 6410, 14149, 28298, 70745, 141490, 9069509, 18139018, 45347545, 90695090]

約数ペア:

[(1, 90695090), (2, 45347545), (5, 18139018), (10, 9069509), (641, 141490), (1282, 70745), (3205, 28298), (6410, 14149)]