2580821564

素因数分解:

$2^2\times {\mathrm{331}}^1\times {\mathrm{401}}^1\times {\mathrm{4861}}^1$

素因数の和:5597

約数の個数: 24

約数和(自身を含む): 4542313776

約数和(自身を除く): 1961492212

約数列:

[1, 2, 4, 331, 401, 662, 802, 1324, 1604, 4861, 9722, 19444, 132731, 265462, 530924, 1608991, 1949261, 3217982, 3898522, 6435964, 7797044, 645205391, 1290410782, 2580821564]

約数ペア:

[(1, 2580821564), (2, 1290410782), (4, 645205391), (331, 7797044), (401, 6435964), (662, 3898522), (802, 3217982), (1324, 1949261), (1604, 1608991), (4861, 530924), (9722, 265462), (19444, 132731)]