80124208

素因数分解:

$2^4\times {\mathrm{89}}^1\times {\mathrm{56267}}^1$

素因数の和:56364

約数の個数: 20

約数和(自身を含む): 156987720

約数和(自身を除く): 76863512

約数列:

[1, 2, 4, 8, 16, 89, 178, 356, 712, 1424, 56267, 112534, 225068, 450136, 900272, 5007763, 10015526, 20031052, 40062104, 80124208]

約数ペア:

[(1, 80124208), (2, 40062104), (4, 20031052), (8, 10015526), (16, 5007763), (89, 900272), (178, 450136), (356, 225068), (712, 112534), (1424, 56267)]