79771520

素因数分解:

$2^7\times 5^1\times {\mathrm{124643}}^1$

素因数の和:124662

約数の個数: 32

約数和(自身を含む): 190705320

約数和(自身を除く): 110933800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 124643, 249286, 498572, 623215, 997144, 1246430, 1994288, 2492860, 3988576, 4985720, 7977152, 9971440, 15954304, 19942880, 39885760, 79771520]

約数ペア:

[(1, 79771520), (2, 39885760), (4, 19942880), (5, 15954304), (8, 9971440), (10, 7977152), (16, 4985720), (20, 3988576), (32, 2492860), (40, 1994288), (64, 1246430), (80, 997144), (128, 623215), (160, 498572), (320, 249286), (640, 124643)]