129100480

素因数分解:

$2^6\times 5^1\times {\mathrm{403439}}^1$

素因数の和:403456

約数の個数: 28

約数和(自身を含む): 307421280

約数和(自身を除く): 178320800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 403439, 806878, 1613756, 2017195, 3227512, 4034390, 6455024, 8068780, 12910048, 16137560, 25820096, 32275120, 64550240, 129100480]

約数ペア:

[(1, 129100480), (2, 64550240), (4, 32275120), (5, 25820096), (8, 16137560), (10, 12910048), (16, 8068780), (20, 6455024), (32, 4034390), (40, 3227512), (64, 2017195), (80, 1613756), (160, 806878), (320, 403439)]