853566440

素因数分解:

$2^3\times 5^1\times {\mathrm{21339161}}^1$

素因数の和:21339172

約数の個数: 16

約数和(自身を含む): 1920524580

約数和(自身を除く): 1066958140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 21339161, 42678322, 85356644, 106695805, 170713288, 213391610, 426783220, 853566440]

約数ペア:

[(1, 853566440), (2, 426783220), (4, 213391610), (5, 170713288), (8, 106695805), (10, 85356644), (20, 42678322), (40, 21339161)]