1394887880

素因数分解:

$2^3\times 5^1\times {\mathrm{2447}}^1\times {\mathrm{14251}}^1$

素因数の和:16709

約数の個数: 32

約数和(自身を含む): 3140000640

約数和(自身を除く): 1745112760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2447, 4894, 9788, 12235, 14251, 19576, 24470, 28502, 48940, 57004, 71255, 97880, 114008, 142510, 285020, 570040, 34872197, 69744394, 139488788, 174360985, 278977576, 348721970, 697443940, 1394887880]

約数ペア:

[(1, 1394887880), (2, 697443940), (4, 348721970), (5, 278977576), (8, 174360985), (10, 139488788), (20, 69744394), (40, 34872197), (2447, 570040), (4894, 285020), (9788, 142510), (12235, 114008), (14251, 97880), (19576, 71255), (24470, 57004), (28502, 48940)]