51172480

素因数分解:

$2^7\times 5^1\times {\mathrm{37}}^1\times {\mathrm{2161}}^1$

素因数の和:2217

約数の個数: 64

約数和(自身を含む): 125698680

約数和(自身を除く): 74526200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 37, 40, 64, 74, 80, 128, 148, 160, 185, 296, 320, 370, 592, 640, 740, 1184, 1480, 2161, 2368, 2960, 4322, 4736, 5920, 8644, 10805, 11840, 17288, 21610, 23680, 34576, 43220, 69152, 79957, 86440, 138304, 159914, 172880, 276608, 319828, 345760, 399785, 639656, 691520, 799570, 1279312, 1383040, 1599140, 2558624, 3198280, 5117248, 6396560, 10234496, 12793120, 25586240, 51172480]

約数ペア:

[(1, 51172480), (2, 25586240), (4, 12793120), (5, 10234496), (8, 6396560), (10, 5117248), (16, 3198280), (20, 2558624), (32, 1599140), (37, 1383040), (40, 1279312), (64, 799570), (74, 691520), (80, 639656), (128, 399785), (148, 345760), (160, 319828), (185, 276608), (296, 172880), (320, 159914), (370, 138304), (592, 86440), (640, 79957), (740, 69152), (1184, 43220), (1480, 34576), (2161, 23680), (2368, 21610), (2960, 17288), (4322, 11840), (4736, 10805), (5920, 8644)]