844148840

素因数分解:

$2^3\times 5^1\times {\mathrm{21103721}}^1$

素因数の和:21103732

約数の個数: 16

約数和(自身を含む): 1899334980

約数和(自身を除く): 1055186140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 21103721, 42207442, 84414884, 105518605, 168829768, 211037210, 422074420, 844148840]

約数ペア:

[(1, 844148840), (2, 422074420), (4, 211037210), (5, 168829768), (8, 105518605), (10, 84414884), (20, 42207442), (40, 21103721)]