40440040

素因数分解:

$2^3\times 5^1\times {\mathrm{1011001}}^1$

素因数の和:1011012

約数の個数: 16

約数和(自身を含む): 90990180

約数和(自身を除く): 50550140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1011001, 2022002, 4044004, 5055005, 8088008, 10110010, 20220020, 40440040]

約数ペア:

[(1, 40440040), (2, 20220020), (4, 10110010), (5, 8088008), (8, 5055005), (10, 4044004), (20, 2022002), (40, 1011001)]