1379804540

素因数分解:

$2^2\times 5^1\times {\mathrm{68990227}}^1$

素因数の和:68990236

約数の個数: 12

約数和(自身を含む): 2897589576

約数和(自身を除く): 1517785036

約数列:

[1, 2, 4, 5, 10, 20, 68990227, 137980454, 275960908, 344951135, 689902270, 1379804540]

約数ペア:

[(1, 1379804540), (2, 689902270), (4, 344951135), (5, 275960908), (10, 137980454), (20, 68990227)]