2005344860

素因数分解:

$2^2\times 5^1\times {\mathrm{401}}^1\times {\mathrm{250043}}^1$

素因数の和:250453

約数の個数: 24

約数和(自身を含む): 4221742896

約数和(自身を除く): 2216398036

約数列:

[1, 2, 4, 5, 10, 20, 401, 802, 1604, 2005, 4010, 8020, 250043, 500086, 1000172, 1250215, 2500430, 5000860, 100267243, 200534486, 401068972, 501336215, 1002672430, 2005344860]

約数ペア:

[(1, 2005344860), (2, 1002672430), (4, 501336215), (5, 401068972), (10, 200534486), (20, 100267243), (401, 5000860), (802, 2500430), (1604, 1250215), (2005, 1000172), (4010, 500086), (8020, 250043)]