2080340091635

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{1399}}^1\times {\mathrm{557981}}^1$

素因数の和:559439

約数の個数: 32

約数和(自身を含む): 2755984694400

約数和(自身を除く): 675644602765

約数列:

[1, 5, 13, 41, 65, 205, 533, 1399, 2665, 6995, 18187, 57359, 90935, 286795, 557981, 745667, 2789905, 3728335, 7253753, 22877221, 36268765, 114386105, 297403873, 780615419, 1487019365, 3903077095, 10148000447, 32005232179, 50740002235, 160026160895, 416068018327, 2080340091635]

約数ペア:

[(1, 2080340091635), (5, 416068018327), (13, 160026160895), (41, 50740002235), (65, 32005232179), (205, 10148000447), (533, 3903077095), (1399, 1487019365), (2665, 780615419), (6995, 297403873), (18187, 114386105), (57359, 36268765), (90935, 22877221), (286795, 7253753), (557981, 3728335), (745667, 2789905)]