4040840

素因数分解:

$2^3\times 5^1\times {\mathrm{101021}}^1$

素因数の和:101032

約数の個数: 16

約数和(自身を含む): 9091980

約数和(自身を除く): 5051140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 101021, 202042, 404084, 505105, 808168, 1010210, 2020420, 4040840]

約数ペア:

[(1, 4040840), (2, 2020420), (4, 1010210), (5, 808168), (8, 505105), (10, 404084), (20, 202042), (40, 101021)]