206438810

素因数分解:

$2^1\times 5^1\times {\mathrm{401}}^1\times {\mathrm{51481}}^1$

素因数の和:51889

約数の個数: 16

約数和(自身を含む): 372523752

約数和(自身を除く): 166084942

約数列:

[1, 2, 5, 10, 401, 802, 2005, 4010, 51481, 102962, 257405, 514810, 20643881, 41287762, 103219405, 206438810]

約数ペア:

[(1, 206438810), (2, 103219405), (5, 41287762), (10, 20643881), (401, 514810), (802, 257405), (2005, 102962), (4010, 51481)]