168002605720

素因数分解:

$2^3\times 5^1\times {\mathrm{4200065143}}^1$

素因数の和:4200065154

約数の個数: 16

約数和(自身を含む): 378005862960

約数和(自身を除く): 210003257240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 4200065143, 8400130286, 16800260572, 21000325715, 33600521144, 42000651430, 84001302860, 168002605720]

約数ペア:

[(1, 168002605720), (2, 84001302860), (4, 42000651430), (5, 33600521144), (8, 21000325715), (10, 16800260572), (20, 8400130286), (40, 4200065143)]