80690560

素因数分解:

$2^7\times 5^1\times {\mathrm{126079}}^1$

素因数の和:126098

約数の個数: 32

約数和(自身を含む): 192902400

約数和(自身を除く): 112211840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 126079, 252158, 504316, 630395, 1008632, 1260790, 2017264, 2521580, 4034528, 5043160, 8069056, 10086320, 16138112, 20172640, 40345280, 80690560]

約数ペア:

[(1, 80690560), (2, 40345280), (4, 20172640), (5, 16138112), (8, 10086320), (10, 8069056), (16, 5043160), (20, 4034528), (32, 2521580), (40, 2017264), (64, 1260790), (80, 1008632), (128, 630395), (160, 504316), (320, 252158), (640, 126079)]