2020115075

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{157}}^1\times {\mathrm{659}}^1$

素因数の和:908

約数の個数: 48

約数和(自身を含む): 2793035520

約数和(自身を除く): 772920445

約数列:

[1, 5, 11, 25, 55, 71, 157, 275, 355, 659, 781, 785, 1727, 1775, 3295, 3905, 3925, 7249, 8635, 11147, 16475, 19525, 36245, 43175, 46789, 55735, 103463, 122617, 181225, 233945, 278675, 514679, 517315, 613085, 1138093, 1169725, 2573395, 2586575, 3065425, 5690465, 7345873, 12866975, 28452325, 36729365, 80804603, 183646825, 404023015, 2020115075]

約数ペア:

[(1, 2020115075), (5, 404023015), (11, 183646825), (25, 80804603), (55, 36729365), (71, 28452325), (157, 12866975), (275, 7345873), (355, 5690465), (659, 3065425), (781, 2586575), (785, 2573395), (1727, 1169725), (1775, 1138093), (3295, 613085), (3905, 517315), (3925, 514679), (7249, 278675), (8635, 233945), (11147, 181225), (16475, 122617), (19525, 103463), (36245, 55735), (43175, 46789)]