81902840

素因数分解:

$2^3\times 5^1\times {\mathrm{2047571}}^1$

素因数の和:2047582

約数の個数: 16

約数和(自身を含む): 184281480

約数和(自身を除く): 102378640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2047571, 4095142, 8190284, 10237855, 16380568, 20475710, 40951420, 81902840]

約数ペア:

[(1, 81902840), (2, 40951420), (4, 20475710), (5, 16380568), (8, 10237855), (10, 8190284), (20, 4095142), (40, 2047571)]