201611780

素因数分解:

$2^2\times 5^1\times {\mathrm{3169}}^1\times {\mathrm{3181}}^1$

素因数の和:6359

約数の個数: 24

約数和(自身を含む): 423651480

約数和(自身を除く): 222039700

約数列:

[1, 2, 4, 5, 10, 20, 3169, 3181, 6338, 6362, 12676, 12724, 15845, 15905, 31690, 31810, 63380, 63620, 10080589, 20161178, 40322356, 50402945, 100805890, 201611780]

約数ペア:

[(1, 201611780), (2, 100805890), (4, 50402945), (5, 40322356), (10, 20161178), (20, 10080589), (3169, 63620), (3181, 63380), (6338, 31810), (6362, 31690), (12676, 15905), (12724, 15845)]