168166280

素因数分解:

$2^3\times 5^1\times {\mathrm{4204157}}^1$

素因数の和:4204168

約数の個数: 16

約数和(自身を含む): 378374220

約数和(自身を除く): 210207940

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 4204157, 8408314, 16816628, 21020785, 33633256, 42041570, 84083140, 168166280]

約数ペア:

[(1, 168166280), (2, 84083140), (4, 42041570), (5, 33633256), (8, 21020785), (10, 16816628), (20, 8408314), (40, 4204157)]