2620804540

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{1845637}}^1$

素因数の和:1845717

約数の個数: 24

約数和(自身を含む): 5581209312

約数和(自身を除く): 2960404772

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 1845637, 3691274, 7382548, 9228185, 18456370, 36912740, 131040227, 262080454, 524160908, 655201135, 1310402270, 2620804540]

約数ペア:

[(1, 2620804540), (2, 1310402270), (4, 655201135), (5, 524160908), (10, 262080454), (20, 131040227), (71, 36912740), (142, 18456370), (284, 9228185), (355, 7382548), (710, 3691274), (1420, 1845637)]