171772840

素因数分解:

$2^3\times 5^1\times {\mathrm{4294321}}^1$

素因数の和:4294332

約数の個数: 16

約数和(自身を含む): 386488980

約数和(自身を除く): 214716140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 4294321, 8588642, 17177284, 21471605, 34354568, 42943210, 85886420, 171772840]

約数ペア:

[(1, 171772840), (2, 85886420), (4, 42943210), (5, 34354568), (8, 21471605), (10, 17177284), (20, 8588642), (40, 4294321)]