78670520

素因数分解:

$2^3\times 5^1\times {\mathrm{937}}^1\times {\mathrm{2099}}^1$

素因数の和:3047

約数の個数: 32

約数和(自身を含む): 177282000

約数和(自身を除く): 98611480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 937, 1874, 2099, 3748, 4198, 4685, 7496, 8396, 9370, 10495, 16792, 18740, 20990, 37480, 41980, 83960, 1966763, 3933526, 7867052, 9833815, 15734104, 19667630, 39335260, 78670520]

約数ペア:

[(1, 78670520), (2, 39335260), (4, 19667630), (5, 15734104), (8, 9833815), (10, 7867052), (20, 3933526), (40, 1966763), (937, 83960), (1874, 41980), (2099, 37480), (3748, 20990), (4198, 18740), (4685, 16792), (7496, 10495), (8396, 9370)]