853285640

素因数分解:

$2^3\times 5^1\times {\mathrm{21332141}}^1$

素因数の和:21332152

約数の個数: 16

約数和(自身を含む): 1919892780

約数和(自身を除く): 1066607140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 21332141, 42664282, 85328564, 106660705, 170657128, 213321410, 426642820, 853285640]

約数ペア:

[(1, 853285640), (2, 426642820), (4, 213321410), (5, 170657128), (8, 106660705), (10, 85328564), (20, 42664282), (40, 21332141)]