7854020

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{5531}}^1$

素因数の和:5611

約数の個数: 24

約数和(自身を含む): 16728768

約数和(自身を除く): 8874748

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 5531, 11062, 22124, 27655, 55310, 110620, 392701, 785402, 1570804, 1963505, 3927010, 7854020]

約数ペア:

[(1, 7854020), (2, 3927010), (4, 1963505), (5, 1570804), (10, 785402), (20, 392701), (71, 110620), (142, 55310), (284, 27655), (355, 22124), (710, 11062), (1420, 5531)]