20120123065

素因数分解:

$5^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{71}}^1\times {\mathrm{109}}^1\times {\mathrm{1259}}^1$

素因数の和:1510

約数の個数: 64

約数和(自身を含む): 28740096000

約数和(自身を除く): 8619972935

約数列:

[1, 5, 7, 35, 59, 71, 109, 295, 355, 413, 497, 545, 763, 1259, 2065, 2485, 3815, 4189, 6295, 6431, 7739, 8813, 20945, 29323, 32155, 38695, 44065, 45017, 54173, 74281, 89389, 137231, 146615, 225085, 270865, 371405, 446945, 456601, 519967, 625723, 686155, 960617, 2283005, 2599835, 3128615, 3196207, 4803085, 5273951, 8096629, 9743401, 15981035, 26369755, 36917657, 40483145, 48717005, 56676403, 68203807, 184588285, 283382015, 341019035, 574860659, 2874303295, 4024024613, 20120123065]

約数ペア:

[(1, 20120123065), (5, 4024024613), (7, 2874303295), (35, 574860659), (59, 341019035), (71, 283382015), (109, 184588285), (295, 68203807), (355, 56676403), (413, 48717005), (497, 40483145), (545, 36917657), (763, 26369755), (1259, 15981035), (2065, 9743401), (2485, 8096629), (3815, 5273951), (4189, 4803085), (6295, 3196207), (6431, 3128615), (7739, 2599835), (8813, 2283005), (20945, 960617), (29323, 686155), (32155, 625723), (38695, 519967), (44065, 456601), (45017, 446945), (54173, 371405), (74281, 270865), (89389, 225085), (137231, 146615)]