80978032

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{197}}^1\times {\mathrm{1117}}^1$

素因数の和:1345

約数の個数: 40

約数和(自身を含む): 164694816

約数和(自身を除く): 83716784

約数列:

[1, 2, 4, 8, 16, 23, 46, 92, 184, 197, 368, 394, 788, 1117, 1576, 2234, 3152, 4468, 4531, 8936, 9062, 17872, 18124, 25691, 36248, 51382, 72496, 102764, 205528, 220049, 411056, 440098, 880196, 1760392, 3520784, 5061127, 10122254, 20244508, 40489016, 80978032]

約数ペア:

[(1, 80978032), (2, 40489016), (4, 20244508), (8, 10122254), (16, 5061127), (23, 3520784), (46, 1760392), (92, 880196), (184, 440098), (197, 411056), (368, 220049), (394, 205528), (788, 102764), (1117, 72496), (1576, 51382), (2234, 36248), (3152, 25691), (4468, 18124), (4531, 17872), (8936, 9062)]