16461320

素因数分解:

$2^3\times 5^1\times {\mathrm{197}}^1\times {\mathrm{2089}}^1$

素因数の和:2297

約数の個数: 32

約数和(自身を含む): 37243800

約数和(自身を除く): 20782480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 197, 394, 788, 985, 1576, 1970, 2089, 3940, 4178, 7880, 8356, 10445, 16712, 20890, 41780, 83560, 411533, 823066, 1646132, 2057665, 3292264, 4115330, 8230660, 16461320]

約数ペア:

[(1, 16461320), (2, 8230660), (4, 4115330), (5, 3292264), (8, 2057665), (10, 1646132), (20, 823066), (40, 411533), (197, 83560), (394, 41780), (788, 20890), (985, 16712), (1576, 10445), (1970, 8356), (2089, 7880), (3940, 4178)]