80862275

素因数分解:

$5^2\times {\mathrm{13}}^2\times {\mathrm{19139}}^1$

素因数の和:19175

約数の個数: 18

約数和(自身を含む): 108581220

約数和(自身を除く): 27718945

約数列:

[1, 5, 13, 25, 65, 169, 325, 845, 4225, 19139, 95695, 248807, 478475, 1244035, 3234491, 6220175, 16172455, 80862275]

約数ペア:

[(1, 80862275), (5, 16172455), (13, 6220175), (25, 3234491), (65, 1244035), (169, 478475), (325, 248807), (845, 95695), (4225, 19139)]