20149665040

素因数分解:

$2^4\times 5^1\times {\mathrm{251870813}}^1$

素因数の和:251870826

約数の個数: 20

約数和(自身を含む): 46847971404

約数和(自身を除く): 26698306364

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 251870813, 503741626, 1007483252, 1259354065, 2014966504, 2518708130, 4029933008, 5037416260, 10074832520, 20149665040]

約数ペア:

[(1, 20149665040), (2, 10074832520), (4, 5037416260), (5, 4029933008), (8, 2518708130), (10, 2014966504), (16, 1259354065), (20, 1007483252), (40, 503741626), (80, 251870813)]