79994704

素因数分解:

$2^4\times {\mathrm{251}}^1\times {\mathrm{19919}}^1$

素因数の和:20178

約数の個数: 20

約数和(自身を含む): 155615040

約数和(自身を除く): 75620336

約数列:

[1, 2, 4, 8, 16, 251, 502, 1004, 2008, 4016, 19919, 39838, 79676, 159352, 318704, 4999669, 9999338, 19998676, 39997352, 79994704]

約数ペア:

[(1, 79994704), (2, 39997352), (4, 19998676), (8, 9999338), (16, 4999669), (251, 318704), (502, 159352), (1004, 79676), (2008, 39838), (4016, 19919)]