16808840

素因数分解:

$2^3\times 5^1\times {\mathrm{420221}}^1$

素因数の和:420232

約数の個数: 16

約数和(自身を含む): 37819980

約数和(自身を除く): 21011140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 420221, 840442, 1680884, 2101105, 3361768, 4202210, 8404420, 16808840]

約数ペア:

[(1, 16808840), (2, 8404420), (4, 4202210), (5, 3361768), (8, 2101105), (10, 1680884), (20, 840442), (40, 420221)]