2145012025

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{124529}}^1$

素因数の和:124605

約数の個数: 24

約数和(自身を含む): 2918485080

約数和(自身を除く): 773473055

約数列:

[1, 5, 13, 25, 53, 65, 265, 325, 689, 1325, 3445, 17225, 124529, 622645, 1618877, 3113225, 6600037, 8094385, 33000185, 40471925, 85800481, 165000925, 429002405, 2145012025]

約数ペア:

[(1, 2145012025), (5, 429002405), (13, 165000925), (25, 85800481), (53, 40471925), (65, 33000185), (265, 8094385), (325, 6600037), (689, 3113225), (1325, 1618877), (3445, 622645), (17225, 124529)]