168508520

素因数分解:

$2^3\times 5^1\times {\mathrm{4212713}}^1$

素因数の和:4212724

約数の個数: 16

約数和(自身を含む): 379144260

約数和(自身を除く): 210635740

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 4212713, 8425426, 16850852, 21063565, 33701704, 42127130, 84254260, 168508520]

約数ペア:

[(1, 168508520), (2, 84254260), (4, 42127130), (5, 33701704), (8, 21063565), (10, 16850852), (20, 8425426), (40, 4212713)]