77995880

素因数分解:

$2^3\times 5^1\times {\mathrm{937}}^1\times {\mathrm{2081}}^1$

素因数の和:3029

約数の個数: 32

約数和(自身を含む): 175762440

約数和(自身を除く): 97766560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 937, 1874, 2081, 3748, 4162, 4685, 7496, 8324, 9370, 10405, 16648, 18740, 20810, 37480, 41620, 83240, 1949897, 3899794, 7799588, 9749485, 15599176, 19498970, 38997940, 77995880]

約数ペア:

[(1, 77995880), (2, 38997940), (4, 19498970), (5, 15599176), (8, 9749485), (10, 7799588), (20, 3899794), (40, 1949897), (937, 83240), (1874, 41620), (2081, 37480), (3748, 20810), (4162, 18740), (4685, 16648), (7496, 10405), (8324, 9370)]