80445220

素因数分解:

$2^2\times 5^1\times {\mathrm{569}}^1\times {\mathrm{7069}}^1$

素因数の和:7647

約数の個数: 24

約数和(自身を含む): 169255800

約数和(自身を除く): 88810580

約数列:

[1, 2, 4, 5, 10, 20, 569, 1138, 2276, 2845, 5690, 7069, 11380, 14138, 28276, 35345, 70690, 141380, 4022261, 8044522, 16089044, 20111305, 40222610, 80445220]

約数ペア:

[(1, 80445220), (2, 40222610), (4, 20111305), (5, 16089044), (10, 8044522), (20, 4022261), (569, 141380), (1138, 70690), (2276, 35345), (2845, 28276), (5690, 14138), (7069, 11380)]