404047660

素因数分解:

$2^2\times 5^1\times {\mathrm{163}}^1\times {\mathrm{123941}}^1$

素因数の和:124113

約数の個数: 24

約数和(自身を含む): 853712496

約数和(自身を除く): 449664836

約数列:

[1, 2, 4, 5, 10, 20, 163, 326, 652, 815, 1630, 3260, 123941, 247882, 495764, 619705, 1239410, 2478820, 20202383, 40404766, 80809532, 101011915, 202023830, 404047660]

約数ペア:

[(1, 404047660), (2, 202023830), (4, 101011915), (5, 80809532), (10, 40404766), (20, 20202383), (163, 2478820), (326, 1239410), (652, 619705), (815, 495764), (1630, 247882), (3260, 123941)]