25851905140

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{18205567}}^1$

素因数の和:18205647

約数の個数: 24

約数和(自身を含む): 55053637632

約数和(自身を除く): 29201732492

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 18205567, 36411134, 72822268, 91027835, 182055670, 364111340, 1292595257, 2585190514, 5170381028, 6462976285, 12925952570, 25851905140]

約数ペア:

[(1, 25851905140), (2, 12925952570), (4, 6462976285), (5, 5170381028), (10, 2585190514), (20, 1292595257), (71, 364111340), (142, 182055670), (284, 91027835), (355, 72822268), (710, 36411134), (1420, 18205567)]