129872560

素因数分解:

$2^4\times 5^1\times {\mathrm{167}}^1\times {\mathrm{9721}}^1$

素因数の和:9901

約数の個数: 40

約数和(自身を含む): 303793056

約数和(自身を除く): 173920496

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 167, 334, 668, 835, 1336, 1670, 2672, 3340, 6680, 9721, 13360, 19442, 38884, 48605, 77768, 97210, 155536, 194420, 388840, 777680, 1623407, 3246814, 6493628, 8117035, 12987256, 16234070, 25974512, 32468140, 64936280, 129872560]

約数ペア:

[(1, 129872560), (2, 64936280), (4, 32468140), (5, 25974512), (8, 16234070), (10, 12987256), (16, 8117035), (20, 6493628), (40, 3246814), (80, 1623407), (167, 777680), (334, 388840), (668, 194420), (835, 155536), (1336, 97210), (1670, 77768), (2672, 48605), (3340, 38884), (6680, 19442), (9721, 13360)]