66963280

素因数分解:

$2^4\times 5^1\times {\mathrm{193}}^1\times {\mathrm{4337}}^1$

素因数の和:4543

約数の個数: 40

約数和(自身を含む): 156532392

約数和(自身を除く): 89569112

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 193, 386, 772, 965, 1544, 1930, 3088, 3860, 4337, 7720, 8674, 15440, 17348, 21685, 34696, 43370, 69392, 86740, 173480, 346960, 837041, 1674082, 3348164, 4185205, 6696328, 8370410, 13392656, 16740820, 33481640, 66963280]

約数ペア:

[(1, 66963280), (2, 33481640), (4, 16740820), (5, 13392656), (8, 8370410), (10, 6696328), (16, 4185205), (20, 3348164), (40, 1674082), (80, 837041), (193, 346960), (386, 173480), (772, 86740), (965, 69392), (1544, 43370), (1930, 34696), (3088, 21685), (3860, 17348), (4337, 15440), (7720, 8674)]