9900340

素因数分解:

$2^2\times 5^1\times {\mathrm{495017}}^1$

素因数の和:495026

約数の個数: 12

約数和(自身を含む): 20790756

約数和(自身を除く): 10890416

約数列:

[1, 2, 4, 5, 10, 20, 495017, 990034, 1980068, 2475085, 4950170, 9900340]

約数ペア:

[(1, 9900340), (2, 4950170), (4, 2475085), (5, 1980068), (10, 990034), (20, 495017)]