1980845

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{719}}^1$

素因数の和:772

約数の個数: 16

約数和(自身を含む): 2592000

約数和(自身を除く): 611155

約数列:

[1, 5, 19, 29, 95, 145, 551, 719, 2755, 3595, 13661, 20851, 68305, 104255, 396169, 1980845]

約数ペア:

[(1, 1980845), (5, 396169), (19, 104255), (29, 68305), (95, 20851), (145, 13661), (551, 3595), (719, 2755)]