12749204560

素因数分解:

$2^4\times 5^1\times {\mathrm{159365057}}^1$

素因数の和:159365070

約数の個数: 20

約数和(自身を含む): 29641900788

約数和(自身を除く): 16892696228

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 159365057, 318730114, 637460228, 796825285, 1274920456, 1593650570, 2549840912, 3187301140, 6374602280, 12749204560]

約数ペア:

[(1, 12749204560), (2, 6374602280), (4, 3187301140), (5, 2549840912), (8, 1593650570), (10, 1274920456), (16, 796825285), (20, 637460228), (40, 318730114), (80, 159365057)]