836522090

素因数分解:

$2^1\times 5^1\times {\mathrm{401}}^1\times {\mathrm{208609}}^1$

素因数の和:209017

約数の個数: 16

約数和(自身を含む): 1509501960

約数和(自身を除く): 672979870

約数列:

[1, 2, 5, 10, 401, 802, 2005, 4010, 208609, 417218, 1043045, 2086090, 83652209, 167304418, 418261045, 836522090]

約数ペア:

[(1, 836522090), (2, 418261045), (5, 167304418), (10, 83652209), (401, 2086090), (802, 1043045), (2005, 417218), (4010, 208609)]