40372840

素因数分解:

$2^3\times 5^1\times {\mathrm{1009321}}^1$

素因数の和:1009332

約数の個数: 16

約数和(自身を含む): 90838980

約数和(自身を除く): 50466140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1009321, 2018642, 4037284, 5046605, 8074568, 10093210, 20186420, 40372840]

約数ペア:

[(1, 40372840), (2, 20186420), (4, 10093210), (5, 8074568), (8, 5046605), (10, 4037284), (20, 2018642), (40, 1009321)]