67956940

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{47857}}^1$

素因数の和:47937

約数の個数: 24

約数和(自身を含む): 144722592

約数和(自身を除く): 76765652

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 47857, 95714, 191428, 239285, 478570, 957140, 3397847, 6795694, 13591388, 16989235, 33978470, 67956940]

約数ペア:

[(1, 67956940), (2, 33978470), (4, 16989235), (5, 13591388), (10, 6795694), (20, 3397847), (71, 957140), (142, 478570), (284, 239285), (355, 191428), (710, 95714), (1420, 47857)]