133365620

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{162641}}^1$

素因数の和:162691

約数の個数: 24

約数和(自身を含む): 286900488

約数和(自身を除く): 153534868

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 162641, 325282, 650564, 813205, 1626410, 3252820, 6668281, 13336562, 26673124, 33341405, 66682810, 133365620]

約数ペア:

[(1, 133365620), (2, 66682810), (4, 33341405), (5, 26673124), (10, 13336562), (20, 6668281), (41, 3252820), (82, 1626410), (164, 813205), (205, 650564), (410, 325282), (820, 162641)]