8260480

素因数分解:

$2^7\times 5^1\times {\mathrm{12907}}^1$

素因数の和:12926

約数の個数: 32

約数和(自身を含む): 19749240

約数和(自身を除く): 11488760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 12907, 25814, 51628, 64535, 103256, 129070, 206512, 258140, 413024, 516280, 826048, 1032560, 1652096, 2065120, 4130240, 8260480]

約数ペア:

[(1, 8260480), (2, 4130240), (4, 2065120), (5, 1652096), (8, 1032560), (10, 826048), (16, 516280), (20, 413024), (32, 258140), (40, 206512), (64, 129070), (80, 103256), (128, 64535), (160, 51628), (320, 25814), (640, 12907)]